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Finding the Fourth Proportional to 653,347.50, 980,393.85 and 253,936.23

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Solution

The fourth proportional to 653,347.50, 980,393.85 and 253,936.23 is: 381,049.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,347.50 : 980,393.85 = 253,936.23 : x
  2. Step 2: Convert to fraction form
    653,347.50/980,393.85 = 253,936.23/x
  3. Step 3: Cross multiply
    653,347.50x = 980,393.85 × 253,936.23
  4. Step 4: Simplify right side
    653,347.50x = 248,957,518,184.19
  5. Step 5: Solve for x
    x = 248,957,518,184.19/653,347.50
  6. Step 6: Final answer
    x = 381,049.16

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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.