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Finding the Fourth Proportional to 502,098.90, 692,894.21 and 272,654.34

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Solution

The fourth proportional to 502,098.90, 692,894.21 and 272,654.34 is: 376,261.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,098.90 : 692,894.21 = 272,654.34 : x
  2. Step 2: Convert to fraction form
    502,098.90/692,894.21 = 272,654.34/x
  3. Step 3: Cross multiply
    502,098.90x = 692,894.21 × 272,654.34
  4. Step 4: Simplify right side
    502,098.90x = 188,920,612,154.10
  5. Step 5: Solve for x
    x = 188,920,612,154.10/502,098.90
  6. Step 6: Final answer
    x = 376,261.75

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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.