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Finding the Fourth Proportional to 479,470.66, 719,218.95 and 124,476.82

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Solution

The fourth proportional to 479,470.66, 719,218.95 and 124,476.82 is: 186,718.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,470.66 : 719,218.95 = 124,476.82 : x
  2. Step 2: Convert to fraction form
    479,470.66/719,218.95 = 124,476.82/x
  3. Step 3: Cross multiply
    479,470.66x = 719,218.95 × 124,476.82
  4. Step 4: Simplify right side
    479,470.66x = 89,526,087,779.74
  5. Step 5: Solve for x
    x = 89,526,087,779.74/479,470.66
  6. Step 6: Final answer
    x = 186,718.59

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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.