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Finding the Fourth Proportional to 497,457.80, 746,186.70 and 165,033.80

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Solution

The fourth proportional to 497,457.80, 746,186.70 and 165,033.80 is: 247,550.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,457.80 : 746,186.70 = 165,033.80 : x
  2. Step 2: Convert to fraction form
    497,457.80/746,186.70 = 165,033.80/x
  3. Step 3: Cross multiply
    497,457.80x = 746,186.70 × 165,033.80
  4. Step 4: Simplify right side
    497,457.80x = 123,146,026,610.46
  5. Step 5: Solve for x
    x = 123,146,026,610.46/497,457.80
  6. Step 6: Final answer
    x = 247,550.70

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Similar ratio
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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.