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Finding the Fourth Proportional to 360,625.48, 497,658.90 and 199,467.88

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Solution

The fourth proportional to 360,625.48, 497,658.90 and 199,467.88 is: 275,263.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,625.48 : 497,658.90 = 199,467.88 : x
  2. Step 2: Convert to fraction form
    360,625.48/497,658.90 = 199,467.88/x
  3. Step 3: Cross multiply
    360,625.48x = 497,658.90 × 199,467.88
  4. Step 4: Simplify right side
    360,625.48x = 99,266,965,746.13
  5. Step 5: Solve for x
    x = 99,266,965,746.13/360,625.48
  6. Step 6: Final answer
    x = 275,263.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.