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Finding the Fourth Proportional to 531,389.13, 797,001.54 and 194,350.97

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Solution

The fourth proportional to 531,389.13, 797,001.54 and 194,350.97 is: 291,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,389.13 : 797,001.54 = 194,350.97 : x
  2. Step 2: Convert to fraction form
    531,389.13/797,001.54 = 194,350.97/x
  3. Step 3: Cross multiply
    531,389.13x = 797,001.54 × 194,350.97
  4. Step 4: Simplify right side
    531,389.13x = 154,898,021,685.92
  5. Step 5: Solve for x
    x = 154,898,021,685.92/531,389.13
  6. Step 6: Final answer
    x = 291,496.40

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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.