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Finding the Fourth Proportional to 602,615.40, 903,923.10 and 247,446.60

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Solution

The fourth proportional to 602,615.40, 903,923.10 and 247,446.60 is: 371,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,615.40 : 903,923.10 = 247,446.60 : x
  2. Step 2: Convert to fraction form
    602,615.40/903,923.10 = 247,446.60/x
  3. Step 3: Cross multiply
    602,615.40x = 903,923.10 × 247,446.60
  4. Step 4: Simplify right side
    602,615.40x = 223,672,697,756.46
  5. Step 5: Solve for x
    x = 223,672,697,756.46/602,615.40
  6. Step 6: Final answer
    x = 371,169.90

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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.