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Finding the Fourth Proportional to 610,666.07, 842,732.68 and 338,725.11

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Solution

The fourth proportional to 610,666.07, 842,732.68 and 338,725.11 is: 467,448.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,666.07 : 842,732.68 = 338,725.11 : x
  2. Step 2: Convert to fraction form
    610,666.07/842,732.68 = 338,725.11/x
  3. Step 3: Cross multiply
    610,666.07x = 842,732.68 × 338,725.11
  4. Step 4: Simplify right side
    610,666.07x = 285,454,719,733.60
  5. Step 5: Solve for x
    x = 285,454,719,733.60/610,666.07
  6. Step 6: Final answer
    x = 467,448.14

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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.