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Finding the Fourth Proportional to 360,326.16, 540,502.08 and 123,667.20

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Solution

The fourth proportional to 360,326.16, 540,502.08 and 123,667.20 is: 185,505.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,326.16 : 540,502.08 = 123,667.20 : x
  2. Step 2: Convert to fraction form
    360,326.16/540,502.08 = 123,667.20/x
  3. Step 3: Cross multiply
    360,326.16x = 540,502.08 × 123,667.20
  4. Step 4: Simplify right side
    360,326.16x = 66,842,378,827.78
  5. Step 5: Solve for x
    x = 66,842,378,827.78/360,326.16
  6. Step 6: Final answer
    x = 185,505.21

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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.