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Finding the Fourth Proportional to 591,706.40, 887,073.60 and 255,005.60

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Solution

The fourth proportional to 591,706.40, 887,073.60 and 255,005.60 is: 382,298.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,706.40 : 887,073.60 = 255,005.60 : x
  2. Step 2: Convert to fraction form
    591,706.40/887,073.60 = 255,005.60/x
  3. Step 3: Cross multiply
    591,706.40x = 887,073.60 × 255,005.60
  4. Step 4: Simplify right side
    591,706.40x = 226,208,735,612.16
  5. Step 5: Solve for x
    x = 226,208,735,612.16/591,706.40
  6. Step 6: Final answer
    x = 382,298.95

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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.