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Finding the Fourth Proportional to 437,981.10, 614,417.70 and 437,981.10

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Solution

The fourth proportional to 437,981.10, 614,417.70 and 437,981.10 is: 614,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,981.10 : 614,417.70 = 437,981.10 : x
  2. Step 2: Convert to fraction form
    437,981.10/614,417.70 = 437,981.10/x
  3. Step 3: Cross multiply
    437,981.10x = 614,417.70 × 437,981.10
  4. Step 4: Simplify right side
    437,981.10x = 269,103,340,105.47
  5. Step 5: Solve for x
    x = 269,103,340,105.47/437,981.10
  6. Step 6: Final answer
    x = 614,417.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.