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Finding the Fourth Proportional to 506,179.77, 754,805.15 and 501,623.01

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Solution

The fourth proportional to 506,179.77, 754,805.15 and 501,623.01 is: 748,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,179.77 : 754,805.15 = 501,623.01 : x
  2. Step 2: Convert to fraction form
    506,179.77/754,805.15 = 501,623.01/x
  3. Step 3: Cross multiply
    506,179.77x = 754,805.15 × 501,623.01
  4. Step 4: Simplify right side
    506,179.77x = 378,627,630,679.47
  5. Step 5: Solve for x
    x = 378,627,630,679.47/506,179.77
  6. Step 6: Final answer
    x = 748,010.20

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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.