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Finding the Fourth Proportional to 459,001.80, 688,502.70 and 193,062.60

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Solution

The fourth proportional to 459,001.80, 688,502.70 and 193,062.60 is: 289,593.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,001.80 : 688,502.70 = 193,062.60 : x
  2. Step 2: Convert to fraction form
    459,001.80/688,502.70 = 193,062.60/x
  3. Step 3: Cross multiply
    459,001.80x = 688,502.70 × 193,062.60
  4. Step 4: Simplify right side
    459,001.80x = 132,924,121,369.02
  5. Step 5: Solve for x
    x = 132,924,121,369.02/459,001.80
  6. Step 6: Final answer
    x = 289,593.90

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Similar ratio
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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.