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Finding the Fourth Proportional to 611,330.60, 915,246.30 and 541,346.60

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Solution

The fourth proportional to 611,330.60, 915,246.30 and 541,346.60 is: 810,470.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,330.60 : 915,246.30 = 541,346.60 : x
  2. Step 2: Convert to fraction form
    611,330.60/915,246.30 = 541,346.60/x
  3. Step 3: Cross multiply
    611,330.60x = 915,246.30 × 541,346.60
  4. Step 4: Simplify right side
    611,330.60x = 495,465,472,667.58
  5. Step 5: Solve for x
    x = 495,465,472,667.58/611,330.60
  6. Step 6: Final answer
    x = 810,470.59

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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.