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Finding the Fourth Proportional to 555,097.08, 832,697.88 and 155,736.30

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Solution

The fourth proportional to 555,097.08, 832,697.88 and 155,736.30 is: 233,619.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,097.08 : 832,697.88 = 155,736.30 : x
  2. Step 2: Convert to fraction form
    555,097.08/832,697.88 = 155,736.30/x
  3. Step 3: Cross multiply
    555,097.08x = 832,697.88 × 155,736.30
  4. Step 4: Simplify right side
    555,097.08x = 129,681,286,849.04
  5. Step 5: Solve for x
    x = 129,681,286,849.04/555,097.08
  6. Step 6: Final answer
    x = 233,619.11

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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.