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Finding the Fourth Proportional to 1,224,631.06, 1,836,981.15 and 338,167.06

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Solution

The fourth proportional to 1,224,631.06, 1,836,981.15 and 338,167.06 is: 507,260.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,631.06 : 1,836,981.15 = 338,167.06 : x
  2. Step 2: Convert to fraction form
    1,224,631.06/1,836,981.15 = 338,167.06/x
  3. Step 3: Cross multiply
    1,224,631.06x = 1,836,981.15 × 338,167.06
  4. Step 4: Simplify right side
    1,224,631.06x = 621,206,514,770.92
  5. Step 5: Solve for x
    x = 621,206,514,770.92/1,224,631.06
  6. Step 6: Final answer
    x = 507,260.13

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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.