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Finding the Fourth Proportional to 591,776.30, 887,664.45 and 497,297.90

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Solution

The fourth proportional to 591,776.30, 887,664.45 and 497,297.90 is: 745,946.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,776.30 : 887,664.45 = 497,297.90 : x
  2. Step 2: Convert to fraction form
    591,776.30/887,664.45 = 497,297.90/x
  3. Step 3: Cross multiply
    591,776.30x = 887,664.45 × 497,297.90
  4. Step 4: Simplify right side
    591,776.30x = 441,433,666,889.66
  5. Step 5: Solve for x
    x = 441,433,666,889.66/591,776.30
  6. Step 6: Final answer
    x = 745,946.85

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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.