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Finding the Fourth Proportional to 316,860.01, 472,463.62 and 281,652.04

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Solution

The fourth proportional to 316,860.01, 472,463.62 and 281,652.04 is: 419,965.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,860.01 : 472,463.62 = 281,652.04 : x
  2. Step 2: Convert to fraction form
    316,860.01/472,463.62 = 281,652.04/x
  3. Step 3: Cross multiply
    316,860.01x = 472,463.62 × 281,652.04
  4. Step 4: Simplify right side
    316,860.01x = 133,070,342,398.79
  5. Step 5: Solve for x
    x = 133,070,342,398.79/316,860.01
  6. Step 6: Final answer
    x = 419,965.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.