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Finding the Fourth Proportional to 416,917.02, 625,368.88 and 132,603.46

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Solution

The fourth proportional to 416,917.02, 625,368.88 and 132,603.46 is: 198,903.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,917.02 : 625,368.88 = 132,603.46 : x
  2. Step 2: Convert to fraction form
    416,917.02/625,368.88 = 132,603.46/x
  3. Step 3: Cross multiply
    416,917.02x = 625,368.88 × 132,603.46
  4. Step 4: Simplify right side
    416,917.02x = 82,926,077,264.32
  5. Step 5: Solve for x
    x = 82,926,077,264.32/416,917.02
  6. Step 6: Final answer
    x = 198,903.07

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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.