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Finding the Fourth Proportional to 555,309.28, 832,963.88 and 134,585.16

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Solution

The fourth proportional to 555,309.28, 832,963.88 and 134,585.16 is: 201,877.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,309.28 : 832,963.88 = 134,585.16 : x
  2. Step 2: Convert to fraction form
    555,309.28/832,963.88 = 134,585.16/x
  3. Step 3: Cross multiply
    555,309.28x = 832,963.88 × 134,585.16
  4. Step 4: Simplify right side
    555,309.28x = 112,104,577,064.02
  5. Step 5: Solve for x
    x = 112,104,577,064.02/555,309.28
  6. Step 6: Final answer
    x = 201,877.73

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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.