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Finding the Fourth Proportional to 265,430.88, 398,034.54 and 107,548.92

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Solution

The fourth proportional to 265,430.88, 398,034.54 and 107,548.92 is: 161,278.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,430.88 : 398,034.54 = 107,548.92 : x
  2. Step 2: Convert to fraction form
    265,430.88/398,034.54 = 107,548.92/x
  3. Step 3: Cross multiply
    265,430.88x = 398,034.54 × 107,548.92
  4. Step 4: Simplify right side
    265,430.88x = 42,808,184,899.70
  5. Step 5: Solve for x
    x = 42,808,184,899.70/265,430.88
  6. Step 6: Final answer
    x = 161,278.09

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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.