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Finding the Fourth Proportional to 606,981.70, 910,472.55 and 418,024.90

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Solution

The fourth proportional to 606,981.70, 910,472.55 and 418,024.90 is: 627,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,981.70 : 910,472.55 = 418,024.90 : x
  2. Step 2: Convert to fraction form
    606,981.70/910,472.55 = 418,024.90/x
  3. Step 3: Cross multiply
    606,981.70x = 910,472.55 × 418,024.90
  4. Step 4: Simplify right side
    606,981.70x = 380,600,196,666.50
  5. Step 5: Solve for x
    x = 380,600,196,666.50/606,981.70
  6. Step 6: Final answer
    x = 627,037.35

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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.