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Finding the Fourth Proportional to 310,834.60, 466,251.90 and 100,623.40

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Solution

The fourth proportional to 310,834.60, 466,251.90 and 100,623.40 is: 150,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,834.60 : 466,251.90 = 100,623.40 : x
  2. Step 2: Convert to fraction form
    310,834.60/466,251.90 = 100,623.40/x
  3. Step 3: Cross multiply
    310,834.60x = 466,251.90 × 100,623.40
  4. Step 4: Simplify right side
    310,834.60x = 46,915,851,434.46
  5. Step 5: Solve for x
    x = 46,915,851,434.46/310,834.60
  6. Step 6: Final answer
    x = 150,935.10

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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.