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Finding the Fourth Proportional to 369,648.25, 554,492.55 and 116,909.87

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Solution

The fourth proportional to 369,648.25, 554,492.55 and 116,909.87 is: 175,371.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,648.25 : 554,492.55 = 116,909.87 : x
  2. Step 2: Convert to fraction form
    369,648.25/554,492.55 = 116,909.87/x
  3. Step 3: Cross multiply
    369,648.25x = 554,492.55 × 116,909.87
  4. Step 4: Simplify right side
    369,648.25x = 64,825,653,614.97
  5. Step 5: Solve for x
    x = 64,825,653,614.97/369,648.25
  6. Step 6: Final answer
    x = 175,371.19

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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.