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Finding the Fourth Proportional to 616,432.82, 924,612.30 and 256,512.76

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Solution

The fourth proportional to 616,432.82, 924,612.30 and 256,512.76 is: 384,753.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,432.82 : 924,612.30 = 256,512.76 : x
  2. Step 2: Convert to fraction form
    616,432.82/924,612.30 = 256,512.76/x
  3. Step 3: Cross multiply
    616,432.82x = 924,612.30 × 256,512.76
  4. Step 4: Simplify right side
    616,432.82x = 237,174,850,691.42
  5. Step 5: Solve for x
    x = 237,174,850,691.42/616,432.82
  6. Step 6: Final answer
    x = 384,753.77

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1.5x scale

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.