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Finding the Fourth Proportional to 610,634.20, 915,801.96 and 477,183.46

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Solution

The fourth proportional to 610,634.20, 915,801.96 and 477,183.46 is: 715,658.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,634.20 : 915,801.96 = 477,183.46 : x
  2. Step 2: Convert to fraction form
    610,634.20/915,801.96 = 477,183.46/x
  3. Step 3: Cross multiply
    610,634.20x = 915,801.96 × 477,183.46
  4. Step 4: Simplify right side
    610,634.20x = 437,005,547,947.58
  5. Step 5: Solve for x
    x = 437,005,547,947.58/610,634.20
  6. Step 6: Final answer
    x = 715,658.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.