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Finding the Fourth Proportional to 656,944.40, 985,416.60 and 236,165.60

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Solution

The fourth proportional to 656,944.40, 985,416.60 and 236,165.60 is: 354,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,944.40 : 985,416.60 = 236,165.60 : x
  2. Step 2: Convert to fraction form
    656,944.40/985,416.60 = 236,165.60/x
  3. Step 3: Cross multiply
    656,944.40x = 985,416.60 × 236,165.60
  4. Step 4: Simplify right side
    656,944.40x = 232,721,502,588.96
  5. Step 5: Solve for x
    x = 232,721,502,588.96/656,944.40
  6. Step 6: Final answer
    x = 354,248.40

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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.