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Finding the Fourth Proportional to 591,050.40, 887,132.40 and 310,768.80

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Solution

The fourth proportional to 591,050.40, 887,132.40 and 310,768.80 is: 466,445.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,050.40 : 887,132.40 = 310,768.80 : x
  2. Step 2: Convert to fraction form
    591,050.40/887,132.40 = 310,768.80/x
  3. Step 3: Cross multiply
    591,050.40x = 887,132.40 × 310,768.80
  4. Step 4: Simplify right side
    591,050.40x = 275,693,071,389.12
  5. Step 5: Solve for x
    x = 275,693,071,389.12/591,050.40
  6. Step 6: Final answer
    x = 466,445.96

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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.