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Finding the Fourth Proportional to 253,524.80, 349,754.40 and 152,866.88

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Solution

The fourth proportional to 253,524.80, 349,754.40 and 152,866.88 is: 210,890.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,524.80 : 349,754.40 = 152,866.88 : x
  2. Step 2: Convert to fraction form
    253,524.80/349,754.40 = 152,866.88/x
  3. Step 3: Cross multiply
    253,524.80x = 349,754.40 × 152,866.88
  4. Step 4: Simplify right side
    253,524.80x = 53,465,863,894.27
  5. Step 5: Solve for x
    x = 53,465,863,894.27/253,524.80
  6. Step 6: Final answer
    x = 210,890.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.