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Finding the Fourth Proportional to 656,511.80, 984,767.70 and 183,196.40

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Solution

The fourth proportional to 656,511.80, 984,767.70 and 183,196.40 is: 274,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,511.80 : 984,767.70 = 183,196.40 : x
  2. Step 2: Convert to fraction form
    656,511.80/984,767.70 = 183,196.40/x
  3. Step 3: Cross multiply
    656,511.80x = 984,767.70 × 183,196.40
  4. Step 4: Simplify right side
    656,511.80x = 180,405,897,476.28
  5. Step 5: Solve for x
    x = 180,405,897,476.28/656,511.80
  6. Step 6: Final answer
    x = 274,794.60

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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.