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Finding the Fourth Proportional to 310,812.10, 466,218.15 and 100,600.90

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Solution

The fourth proportional to 310,812.10, 466,218.15 and 100,600.90 is: 150,901.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,812.10 : 466,218.15 = 100,600.90 : x
  2. Step 2: Convert to fraction form
    310,812.10/466,218.15 = 100,600.90/x
  3. Step 3: Cross multiply
    310,812.10x = 466,218.15 × 100,600.90
  4. Step 4: Simplify right side
    310,812.10x = 46,901,965,486.34
  5. Step 5: Solve for x
    x = 46,901,965,486.34/310,812.10
  6. Step 6: Final answer
    x = 150,901.35

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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.