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Finding the Fourth Proportional to 610,253.86, 842,125.53 and 338,325.70

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Solution

The fourth proportional to 610,253.86, 842,125.53 and 338,325.70 is: 466,875.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,253.86 : 842,125.53 = 338,325.70 : x
  2. Step 2: Convert to fraction form
    610,253.86/842,125.53 = 338,325.70/x
  3. Step 3: Cross multiply
    610,253.86x = 842,125.53 × 338,325.70
  4. Step 4: Simplify right side
    610,253.86x = 284,912,709,425.12
  5. Step 5: Solve for x
    x = 284,912,709,425.12/610,253.86
  6. Step 6: Final answer
    x = 466,875.72

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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.