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Finding the Fourth Proportional to 704,562.75, 972,268.25 and 382,260.51

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Solution

The fourth proportional to 704,562.75, 972,268.25 and 382,260.51 is: 527,504.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,562.75 : 972,268.25 = 382,260.51 : x
  2. Step 2: Convert to fraction form
    704,562.75/972,268.25 = 382,260.51/x
  3. Step 3: Cross multiply
    704,562.75x = 972,268.25 × 382,260.51
  4. Step 4: Simplify right side
    704,562.75x = 371,659,755,190.51
  5. Step 5: Solve for x
    x = 371,659,755,190.51/704,562.75
  6. Step 6: Final answer
    x = 527,504.12

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.