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Finding the Fourth Proportional to 591,822, 887,956.60 and 355,329.68

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Solution

The fourth proportional to 591,822, 887,956.60 and 355,329.68 is: 533,128.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,822 : 887,956.60 = 355,329.68 : x
  2. Step 2: Convert to fraction form
    591,822/887,956.60 = 355,329.68/x
  3. Step 3: Cross multiply
    591,822x = 887,956.60 × 355,329.68
  4. Step 4: Simplify right side
    591,822x = 315,517,334,531.89
  5. Step 5: Solve for x
    x = 315,517,334,531.89/591,822
  6. Step 6: Final answer
    x = 533,128.77

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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.