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Finding the Fourth Proportional to 404,937.20, 607,060.20 and 286,235.12

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Solution

The fourth proportional to 404,937.20, 607,060.20 and 286,235.12 is: 429,108.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,937.20 : 607,060.20 = 286,235.12 : x
  2. Step 2: Convert to fraction form
    404,937.20/607,060.20 = 286,235.12/x
  3. Step 3: Cross multiply
    404,937.20x = 607,060.20 × 286,235.12
  4. Step 4: Simplify right side
    404,937.20x = 173,761,949,194.22
  5. Step 5: Solve for x
    x = 173,761,949,194.22/404,937.20
  6. Step 6: Final answer
    x = 429,108.39

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1.5x scale

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.