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Finding the Fourth Proportional to 310,180.20, 464,492.70 and 247,972.20

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Solution

The fourth proportional to 310,180.20, 464,492.70 and 247,972.20 is: 371,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,180.20 : 464,492.70 = 247,972.20 : x
  2. Step 2: Convert to fraction form
    310,180.20/464,492.70 = 247,972.20/x
  3. Step 3: Cross multiply
    310,180.20x = 464,492.70 × 247,972.20
  4. Step 4: Simplify right side
    310,180.20x = 115,181,276,702.94
  5. Step 5: Solve for x
    x = 115,181,276,702.94/310,180.20
  6. Step 6: Final answer
    x = 371,336.65

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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.