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Finding the Fourth Proportional to 394,776.90, 592,159.88 and 95,254.98

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Solution

The fourth proportional to 394,776.90, 592,159.88 and 95,254.98 is: 142,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,776.90 : 592,159.88 = 95,254.98 : x
  2. Step 2: Convert to fraction form
    394,776.90/592,159.88 = 95,254.98/x
  3. Step 3: Cross multiply
    394,776.90x = 592,159.88 × 95,254.98
  4. Step 4: Simplify right side
    394,776.90x = 56,406,177,049.93
  5. Step 5: Solve for x
    x = 56,406,177,049.93/394,776.90
  6. Step 6: Final answer
    x = 142,881.15

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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.