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Finding the Fourth Proportional to 555,006, 832,509.04 and 134,281.88

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Solution

The fourth proportional to 555,006, 832,509.04 and 134,281.88 is: 201,422.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,006 : 832,509.04 = 134,281.88 : x
  2. Step 2: Convert to fraction form
    555,006/832,509.04 = 134,281.88/x
  3. Step 3: Cross multiply
    555,006x = 832,509.04 × 134,281.88
  4. Step 4: Simplify right side
    555,006x = 111,790,874,174.24
  5. Step 5: Solve for x
    x = 111,790,874,174.24/555,006
  6. Step 6: Final answer
    x = 201,422.82

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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.