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Finding the Fourth Proportional to 581,695.60, 872,370.60 and 226,505.20

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Solution

The fourth proportional to 581,695.60, 872,370.60 and 226,505.20 is: 339,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,695.60 : 872,370.60 = 226,505.20 : x
  2. Step 2: Convert to fraction form
    581,695.60/872,370.60 = 226,505.20/x
  3. Step 3: Cross multiply
    581,695.60x = 872,370.60 × 226,505.20
  4. Step 4: Simplify right side
    581,695.60x = 197,596,477,227.12
  5. Step 5: Solve for x
    x = 197,596,477,227.12/581,695.60
  6. Step 6: Final answer
    x = 339,690.51

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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.