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Finding the Fourth Proportional to 572,957.60, 859,622.70 and 273,399.35

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Solution

The fourth proportional to 572,957.60, 859,622.70 and 273,399.35 is: 410,187.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,957.60 : 859,622.70 = 273,399.35 : x
  2. Step 2: Convert to fraction form
    572,957.60/859,622.70 = 273,399.35/x
  3. Step 3: Cross multiply
    572,957.60x = 859,622.70 × 273,399.35
  4. Step 4: Simplify right side
    572,957.60x = 235,020,287,425.25
  5. Step 5: Solve for x
    x = 235,020,287,425.25/572,957.60
  6. Step 6: Final answer
    x = 410,187.92

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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.