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Finding the Fourth Proportional to 672,314.56, 927,500.16 and 481,258.24

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Solution

The fourth proportional to 672,314.56, 927,500.16 and 481,258.24 is: 663,925.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,314.56 : 927,500.16 = 481,258.24 : x
  2. Step 2: Convert to fraction form
    672,314.56/927,500.16 = 481,258.24/x
  3. Step 3: Cross multiply
    672,314.56x = 927,500.16 × 481,258.24
  4. Step 4: Simplify right side
    672,314.56x = 446,367,094,601.32
  5. Step 5: Solve for x
    x = 446,367,094,601.32/672,314.56
  6. Step 6: Final answer
    x = 663,925.97

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.