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Finding the Fourth Proportional to 555,179, 832,765.72 and 134,454.88

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Solution

The fourth proportional to 555,179, 832,765.72 and 134,454.88 is: 201,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,179 : 832,765.72 = 134,454.88 : x
  2. Step 2: Convert to fraction form
    555,179/832,765.72 = 134,454.88/x
  3. Step 3: Cross multiply
    555,179x = 832,765.72 × 134,454.88
  4. Step 4: Simplify right side
    555,179x = 111,969,414,950.71
  5. Step 5: Solve for x
    x = 111,969,414,950.71/555,179
  6. Step 6: Final answer
    x = 201,681.65

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1.5x scale

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.