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Finding the Fourth Proportional to 452,773.38, 624,830.97 and 283,105.86

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Solution

The fourth proportional to 452,773.38, 624,830.97 and 283,105.86 is: 390,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,773.38 : 624,830.97 = 283,105.86 : x
  2. Step 2: Convert to fraction form
    452,773.38/624,830.97 = 283,105.86/x
  3. Step 3: Cross multiply
    452,773.38x = 624,830.97 × 283,105.86
  4. Step 4: Simplify right side
    452,773.38x = 176,893,309,116.48
  5. Step 5: Solve for x
    x = 176,893,309,116.48/452,773.38
  6. Step 6: Final answer
    x = 390,688.40

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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.