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Finding the Fourth Proportional to 648,105.60, 972,158.40 and 600,866.40

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Solution

The fourth proportional to 648,105.60, 972,158.40 and 600,866.40 is: 901,299.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,105.60 : 972,158.40 = 600,866.40 : x
  2. Step 2: Convert to fraction form
    648,105.60/972,158.40 = 600,866.40/x
  3. Step 3: Cross multiply
    648,105.60x = 972,158.40 × 600,866.40
  4. Step 4: Simplify right side
    648,105.60x = 584,137,318,037.76
  5. Step 5: Solve for x
    x = 584,137,318,037.76/648,105.60
  6. Step 6: Final answer
    x = 901,299.60

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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.