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Finding the Fourth Proportional to 587,565.20, 881,639.40 and 335,039.60

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Solution

The fourth proportional to 587,565.20, 881,639.40 and 335,039.60 is: 502,725.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,565.20 : 881,639.40 = 335,039.60 : x
  2. Step 2: Convert to fraction form
    587,565.20/881,639.40 = 335,039.60/x
  3. Step 3: Cross multiply
    587,565.20x = 881,639.40 × 335,039.60
  4. Step 4: Simplify right side
    587,565.20x = 295,384,111,920.24
  5. Step 5: Solve for x
    x = 295,384,111,920.24/587,565.20
  6. Step 6: Final answer
    x = 502,725.68

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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.