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Finding the Fourth Proportional to 704,484.88, 972,189.44 and 382,194.88

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Solution

The fourth proportional to 704,484.88, 972,189.44 and 382,194.88 is: 527,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,484.88 : 972,189.44 = 382,194.88 : x
  2. Step 2: Convert to fraction form
    704,484.88/972,189.44 = 382,194.88/x
  3. Step 3: Cross multiply
    704,484.88x = 972,189.44 × 382,194.88
  4. Step 4: Simplify right side
    704,484.88x = 371,565,826,358.07
  5. Step 5: Solve for x
    x = 371,565,826,358.07/704,484.88
  6. Step 6: Final answer
    x = 527,429.10

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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.