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Finding the Fourth Proportional to 555,502.92, 766,656.42 and 313,801.08

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Solution

The fourth proportional to 555,502.92, 766,656.42 and 313,801.08 is: 433,080.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,502.92 : 766,656.42 = 313,801.08 : x
  2. Step 2: Convert to fraction form
    555,502.92/766,656.42 = 313,801.08/x
  3. Step 3: Cross multiply
    555,502.92x = 766,656.42 × 313,801.08
  4. Step 4: Simplify right side
    555,502.92x = 240,577,612,584.93
  5. Step 5: Solve for x
    x = 240,577,612,584.93/555,502.92
  6. Step 6: Final answer
    x = 433,080.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.