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Finding the Fourth Proportional to 587,775.20, 881,792.40 and 188,434.40

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Solution

The fourth proportional to 587,775.20, 881,792.40 and 188,434.40 is: 282,693.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,775.20 : 881,792.40 = 188,434.40 : x
  2. Step 2: Convert to fraction form
    587,775.20/881,792.40 = 188,434.40/x
  3. Step 3: Cross multiply
    587,775.20x = 881,792.40 × 188,434.40
  4. Step 4: Simplify right side
    587,775.20x = 166,160,021,818.56
  5. Step 5: Solve for x
    x = 166,160,021,818.56/587,775.20
  6. Step 6: Final answer
    x = 282,693.15

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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.