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Finding the Fourth Proportional to 404,702.20, 607,053.30 and 194,750.20

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Solution

The fourth proportional to 404,702.20, 607,053.30 and 194,750.20 is: 292,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,702.20 : 607,053.30 = 194,750.20 : x
  2. Step 2: Convert to fraction form
    404,702.20/607,053.30 = 194,750.20/x
  3. Step 3: Cross multiply
    404,702.20x = 607,053.30 × 194,750.20
  4. Step 4: Simplify right side
    404,702.20x = 118,223,751,585.66
  5. Step 5: Solve for x
    x = 118,223,751,585.66/404,702.20
  6. Step 6: Final answer
    x = 292,125.30

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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.