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Finding the Fourth Proportional to 555,554.62, 833,381.16 and 156,198.88

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Solution

The fourth proportional to 555,554.62, 833,381.16 and 156,198.88 is: 234,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,554.62 : 833,381.16 = 156,198.88 : x
  2. Step 2: Convert to fraction form
    555,554.62/833,381.16 = 156,198.88/x
  3. Step 3: Cross multiply
    555,554.62x = 833,381.16 × 156,198.88
  4. Step 4: Simplify right side
    555,554.62x = 130,173,203,805.10
  5. Step 5: Solve for x
    x = 130,173,203,805.10/555,554.62
  6. Step 6: Final answer
    x = 234,312.16

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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.