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Finding the Fourth Proportional to 506,462.40, 759,693.60 and 132,485.40

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Solution

The fourth proportional to 506,462.40, 759,693.60 and 132,485.40 is: 198,728.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,462.40 : 759,693.60 = 132,485.40 : x
  2. Step 2: Convert to fraction form
    506,462.40/759,693.60 = 132,485.40/x
  3. Step 3: Cross multiply
    506,462.40x = 759,693.60 × 132,485.40
  4. Step 4: Simplify right side
    506,462.40x = 100,648,310,473.44
  5. Step 5: Solve for x
    x = 100,648,310,473.44/506,462.40
  6. Step 6: Final answer
    x = 198,728.10

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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.