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Finding the Fourth Proportional to 253,200.98, 380,069.13 and 247,483.16

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Solution

The fourth proportional to 253,200.98, 380,069.13 and 247,483.16 is: 371,486.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,200.98 : 380,069.13 = 247,483.16 : x
  2. Step 2: Convert to fraction form
    253,200.98/380,069.13 = 247,483.16/x
  3. Step 3: Cross multiply
    253,200.98x = 380,069.13 × 247,483.16
  4. Step 4: Simplify right side
    253,200.98x = 94,060,709,310.85
  5. Step 5: Solve for x
    x = 94,060,709,310.85/253,200.98
  6. Step 6: Final answer
    x = 371,486.36

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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.