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Finding the Fourth Proportional to 610,366.92, 842,316.47 and 338,446.28

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Solution

The fourth proportional to 610,366.92, 842,316.47 and 338,446.28 is: 467,061.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,366.92 : 842,316.47 = 338,446.28 : x
  2. Step 2: Convert to fraction form
    610,366.92/842,316.47 = 338,446.28/x
  3. Step 3: Cross multiply
    610,366.92x = 842,316.47 × 338,446.28
  4. Step 4: Simplify right side
    610,366.92x = 285,078,869,950.42
  5. Step 5: Solve for x
    x = 285,078,869,950.42/610,366.92
  6. Step 6: Final answer
    x = 467,061.47

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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.