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Finding the Fourth Proportional to 615,615.52, 847,654.48 and 524,767.84

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Solution

The fourth proportional to 615,615.52, 847,654.48 and 524,767.84 is: 722,564.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,615.52 : 847,654.48 = 524,767.84 : x
  2. Step 2: Convert to fraction form
    615,615.52/847,654.48 = 524,767.84/x
  3. Step 3: Cross multiply
    615,615.52x = 847,654.48 × 524,767.84
  4. Step 4: Simplify right side
    615,615.52x = 444,821,810,535.92
  5. Step 5: Solve for x
    x = 444,821,810,535.92/615,615.52
  6. Step 6: Final answer
    x = 722,564.32

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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.