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Finding the Fourth Proportional to 650,305.20, 975,457.80 and 176,989.80

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Solution

The fourth proportional to 650,305.20, 975,457.80 and 176,989.80 is: 265,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,305.20 : 975,457.80 = 176,989.80 : x
  2. Step 2: Convert to fraction form
    650,305.20/975,457.80 = 176,989.80/x
  3. Step 3: Cross multiply
    650,305.20x = 975,457.80 × 176,989.80
  4. Step 4: Simplify right side
    650,305.20x = 172,646,080,930.44
  5. Step 5: Solve for x
    x = 172,646,080,930.44/650,305.20
  6. Step 6: Final answer
    x = 265,484.70

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Double scale
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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.