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Finding the Fourth Proportional to 253,373.70, 380,210.30 and 93,561.56

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Solution

The fourth proportional to 253,373.70, 380,210.30 and 93,561.56 is: 140,397.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,373.70 : 380,210.30 = 93,561.56 : x
  2. Step 2: Convert to fraction form
    253,373.70/380,210.30 = 93,561.56/x
  3. Step 3: Cross multiply
    253,373.70x = 380,210.30 × 93,561.56
  4. Step 4: Simplify right side
    253,373.70x = 35,573,070,868.82
  5. Step 5: Solve for x
    x = 35,573,070,868.82/253,373.70
  6. Step 6: Final answer
    x = 140,397.64

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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.