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Finding the Fourth Proportional to 463,603.70, 695,405.55 and 227,098.10

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Solution

The fourth proportional to 463,603.70, 695,405.55 and 227,098.10 is: 340,647.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,603.70 : 695,405.55 = 227,098.10 : x
  2. Step 2: Convert to fraction form
    463,603.70/695,405.55 = 227,098.10/x
  3. Step 3: Cross multiply
    463,603.70x = 695,405.55 × 227,098.10
  4. Step 4: Simplify right side
    463,603.70x = 157,925,279,134.46
  5. Step 5: Solve for x
    x = 157,925,279,134.46/463,603.70
  6. Step 6: Final answer
    x = 340,647.15

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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.