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Finding the Fourth Proportional to 704,845.70, 972,662.37 and 382,549.34

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Solution

The fourth proportional to 704,845.70, 972,662.37 and 382,549.34 is: 527,904.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,845.70 : 972,662.37 = 382,549.34 : x
  2. Step 2: Convert to fraction form
    704,845.70/972,662.37 = 382,549.34/x
  3. Step 3: Cross multiply
    704,845.70x = 972,662.37 × 382,549.34
  4. Step 4: Simplify right side
    704,845.70x = 372,091,347,686.34
  5. Step 5: Solve for x
    x = 372,091,347,686.34/704,845.70
  6. Step 6: Final answer
    x = 527,904.69

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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.