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Finding the Fourth Proportional to 665,295.60, 997,943.40 and 244,516.80

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Solution

The fourth proportional to 665,295.60, 997,943.40 and 244,516.80 is: 366,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,295.60 : 997,943.40 = 244,516.80 : x
  2. Step 2: Convert to fraction form
    665,295.60/997,943.40 = 244,516.80/x
  3. Step 3: Cross multiply
    665,295.60x = 997,943.40 × 244,516.80
  4. Step 4: Simplify right side
    665,295.60x = 244,013,926,749.12
  5. Step 5: Solve for x
    x = 244,013,926,749.12/665,295.60
  6. Step 6: Final answer
    x = 366,775.20

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Half scale
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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.