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Finding the Fourth Proportional to 382,045.60, 573,068.40 and 101,591.20

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Solution

The fourth proportional to 382,045.60, 573,068.40 and 101,591.20 is: 152,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,045.60 : 573,068.40 = 101,591.20 : x
  2. Step 2: Convert to fraction form
    382,045.60/573,068.40 = 101,591.20/x
  3. Step 3: Cross multiply
    382,045.60x = 573,068.40 × 101,591.20
  4. Step 4: Simplify right side
    382,045.60x = 58,218,706,438.08
  5. Step 5: Solve for x
    x = 58,218,706,438.08/382,045.60
  6. Step 6: Final answer
    x = 152,386.80

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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.