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Finding the Fourth Proportional to 572,729.60, 858,875.70 and 173,237.60

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Solution

The fourth proportional to 572,729.60, 858,875.70 and 173,237.60 is: 259,790.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,729.60 : 858,875.70 = 173,237.60 : x
  2. Step 2: Convert to fraction form
    572,729.60/858,875.70 = 173,237.60/x
  3. Step 3: Cross multiply
    572,729.60x = 858,875.70 × 173,237.60
  4. Step 4: Simplify right side
    572,729.60x = 148,789,564,966.32
  5. Step 5: Solve for x
    x = 148,789,564,966.32/572,729.60
  6. Step 6: Final answer
    x = 259,790.25

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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.