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Finding the Fourth Proportional to 664,304.10, 996,456.15 and 243,525.30

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Solution

The fourth proportional to 664,304.10, 996,456.15 and 243,525.30 is: 365,287.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,304.10 : 996,456.15 = 243,525.30 : x
  2. Step 2: Convert to fraction form
    664,304.10/996,456.15 = 243,525.30/x
  3. Step 3: Cross multiply
    664,304.10x = 996,456.15 × 243,525.30
  4. Step 4: Simplify right side
    664,304.10x = 242,662,282,865.60
  5. Step 5: Solve for x
    x = 242,662,282,865.60/664,304.10
  6. Step 6: Final answer
    x = 365,287.95

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Double scale
Find fourth proportional to 664,305.10, 996,457.65 and 243,526.30
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.