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Finding the Fourth Proportional to 406,972.42, 561,657.45 and 237,202.90

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Solution

The fourth proportional to 406,972.42, 561,657.45 and 237,202.90 is: 327,360.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,972.42 : 561,657.45 = 237,202.90 : x
  2. Step 2: Convert to fraction form
    406,972.42/561,657.45 = 237,202.90/x
  3. Step 3: Cross multiply
    406,972.42x = 561,657.45 × 237,202.90
  4. Step 4: Simplify right side
    406,972.42x = 133,226,775,946.61
  5. Step 5: Solve for x
    x = 133,226,775,946.61/406,972.42
  6. Step 6: Final answer
    x = 327,360.70

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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.