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Finding the Fourth Proportional to 602,195.40, 903,293.10 and 378,246.60

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Solution

The fourth proportional to 602,195.40, 903,293.10 and 378,246.60 is: 567,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,195.40 : 903,293.10 = 378,246.60 : x
  2. Step 2: Convert to fraction form
    602,195.40/903,293.10 = 378,246.60/x
  3. Step 3: Cross multiply
    602,195.40x = 903,293.10 × 378,246.60
  4. Step 4: Simplify right side
    602,195.40x = 341,667,543,878.46
  5. Step 5: Solve for x
    x = 341,667,543,878.46/602,195.40
  6. Step 6: Final answer
    x = 567,369.90

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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.