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Finding the Fourth Proportional to 556,004.88, 833,999.76 and 135,281.16

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Solution

The fourth proportional to 556,004.88, 833,999.76 and 135,281.16 is: 202,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,004.88 : 833,999.76 = 135,281.16 : x
  2. Step 2: Convert to fraction form
    556,004.88/833,999.76 = 135,281.16/x
  3. Step 3: Cross multiply
    556,004.88x = 833,999.76 × 135,281.16
  4. Step 4: Simplify right side
    556,004.88x = 112,824,454,972.52
  5. Step 5: Solve for x
    x = 112,824,454,972.52/556,004.88
  6. Step 6: Final answer
    x = 202,919.90

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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.