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Finding the Fourth Proportional to 591,744.80, 887,617.20 and 339,802.40

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Solution

The fourth proportional to 591,744.80, 887,617.20 and 339,802.40 is: 509,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,744.80 : 887,617.20 = 339,802.40 : x
  2. Step 2: Convert to fraction form
    591,744.80/887,617.20 = 339,802.40/x
  3. Step 3: Cross multiply
    591,744.80x = 887,617.20 × 339,802.40
  4. Step 4: Simplify right side
    591,744.80x = 301,614,454,841.28
  5. Step 5: Solve for x
    x = 301,614,454,841.28/591,744.80
  6. Step 6: Final answer
    x = 509,703.60

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Similar ratio
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1.5x scale

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.