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Finding the Fourth Proportional to 590,060.81, 814,412.87 and 375,158.90

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Solution

The fourth proportional to 590,060.81, 814,412.87 and 375,158.90 is: 517,801.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,060.81 : 814,412.87 = 375,158.90 : x
  2. Step 2: Convert to fraction form
    590,060.81/814,412.87 = 375,158.90/x
  3. Step 3: Cross multiply
    590,060.81x = 814,412.87 × 375,158.90
  4. Step 4: Simplify right side
    590,060.81x = 305,534,239,428.97
  5. Step 5: Solve for x
    x = 305,534,239,428.97/590,060.81
  6. Step 6: Final answer
    x = 517,801.27

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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.