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Finding the Fourth Proportional to 369,814.79, 554,722.19 and 89,332.04

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Solution

The fourth proportional to 369,814.79, 554,722.19 and 89,332.04 is: 133,998.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,814.79 : 554,722.19 = 89,332.04 : x
  2. Step 2: Convert to fraction form
    369,814.79/554,722.19 = 89,332.04/x
  3. Step 3: Cross multiply
    369,814.79x = 554,722.19 × 89,332.04
  4. Step 4: Simplify right side
    369,814.79x = 49,554,464,865.97
  5. Step 5: Solve for x
    x = 49,554,464,865.97/369,814.79
  6. Step 6: Final answer
    x = 133,998.06

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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.