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Finding the Fourth Proportional to 575,159.97, 861,786.27 and 349,838.76

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Solution

The fourth proportional to 575,159.97, 861,786.27 and 349,838.76 is: 524,178.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,159.97 : 861,786.27 = 349,838.76 : x
  2. Step 2: Convert to fraction form
    575,159.97/861,786.27 = 349,838.76/x
  3. Step 3: Cross multiply
    575,159.97x = 861,786.27 × 349,838.76
  4. Step 4: Simplify right side
    575,159.97x = 301,486,240,081.83
  5. Step 5: Solve for x
    x = 301,486,240,081.83/575,159.97
  6. Step 6: Final answer
    x = 524,178.06

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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.