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Finding the Fourth Proportional to 253,622.31, 380,507.54 and 113,348.13

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Solution

The fourth proportional to 253,622.31, 380,507.54 and 113,348.13 is: 170,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,622.31 : 380,507.54 = 113,348.13 : x
  2. Step 2: Convert to fraction form
    253,622.31/380,507.54 = 113,348.13/x
  3. Step 3: Cross multiply
    253,622.31x = 380,507.54 × 113,348.13
  4. Step 4: Simplify right side
    253,622.31x = 43,129,817,543.16
  5. Step 5: Solve for x
    x = 43,129,817,543.16/253,622.31
  6. Step 6: Final answer
    x = 170,055.30

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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.