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Finding the Fourth Proportional to 555,551.62, 833,376.65 and 156,195.87

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Solution

The fourth proportional to 555,551.62, 833,376.65 and 156,195.87 is: 234,307.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,551.62 : 833,376.65 = 156,195.87 : x
  2. Step 2: Convert to fraction form
    555,551.62/833,376.65 = 156,195.87/x
  3. Step 3: Cross multiply
    555,551.62x = 833,376.65 × 156,195.87
  4. Step 4: Simplify right side
    555,551.62x = 130,169,990,884.44
  5. Step 5: Solve for x
    x = 130,169,990,884.44/555,551.62
  6. Step 6: Final answer
    x = 234,307.64

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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.