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Finding the Fourth Proportional to 369,625.34, 554,497.80 and 144,863.84

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Solution

The fourth proportional to 369,625.34, 554,497.80 and 144,863.84 is: 217,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,625.34 : 554,497.80 = 144,863.84 : x
  2. Step 2: Convert to fraction form
    369,625.34/554,497.80 = 144,863.84/x
  3. Step 3: Cross multiply
    369,625.34x = 554,497.80 × 144,863.84
  4. Step 4: Simplify right side
    369,625.34x = 80,326,680,579.55
  5. Step 5: Solve for x
    x = 80,326,680,579.55/369,625.34
  6. Step 6: Final answer
    x = 217,319.19

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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.