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Finding the Fourth Proportional to 704,937.92, 972,787.92 and 382,641.08

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Solution

The fourth proportional to 704,937.92, 972,787.92 and 382,641.08 is: 528,030.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,937.92 : 972,787.92 = 382,641.08 : x
  2. Step 2: Convert to fraction form
    704,937.92/972,787.92 = 382,641.08/x
  3. Step 3: Cross multiply
    704,937.92x = 972,787.92 × 382,641.08
  4. Step 4: Simplify right side
    704,937.92x = 372,228,620,319.75
  5. Step 5: Solve for x
    x = 372,228,620,319.75/704,937.92
  6. Step 6: Final answer
    x = 528,030.36

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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.