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Finding the Fourth Proportional to 581,045.60, 869,693.51 and 300,176.48

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Solution

The fourth proportional to 581,045.60, 869,693.51 and 300,176.48 is: 449,296.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,045.60 : 869,693.51 = 300,176.48 : x
  2. Step 2: Convert to fraction form
    581,045.60/869,693.51 = 300,176.48/x
  3. Step 3: Cross multiply
    581,045.60x = 869,693.51 × 300,176.48
  4. Step 4: Simplify right side
    581,045.60x = 261,061,530,661.30
  5. Step 5: Solve for x
    x = 261,061,530,661.30/581,045.60
  6. Step 6: Final answer
    x = 449,296.12

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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.