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Finding the Fourth Proportional to 539,655.90, 808,590.69 and 484,026.18

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Solution

The fourth proportional to 539,655.90, 808,590.69 and 484,026.18 is: 725,238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,655.90 : 808,590.69 = 484,026.18 : x
  2. Step 2: Convert to fraction form
    539,655.90/808,590.69 = 484,026.18/x
  3. Step 3: Cross multiply
    539,655.90x = 808,590.69 × 484,026.18
  4. Step 4: Simplify right side
    539,655.90x = 391,379,062,864.26
  5. Step 5: Solve for x
    x = 391,379,062,864.26/539,655.90
  6. Step 6: Final answer
    x = 725,238.18

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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.