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Finding the Fourth Proportional to 265,437.67, 398,320.13 and 107,667.49

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Solution

The fourth proportional to 265,437.67, 398,320.13 and 107,667.49 is: 161,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,437.67 : 398,320.13 = 107,667.49 : x
  2. Step 2: Convert to fraction form
    265,437.67/398,320.13 = 107,667.49/x
  3. Step 3: Cross multiply
    265,437.67x = 398,320.13 × 107,667.49
  4. Step 4: Simplify right side
    265,437.67x = 42,886,128,613.57
  5. Step 5: Solve for x
    x = 42,886,128,613.57/265,437.67
  6. Step 6: Final answer
    x = 161,567.60

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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.