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Finding the Fourth Proportional to 555,500.16, 766,637.42 and 313,827.08

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Solution

The fourth proportional to 555,500.16, 766,637.42 and 313,827.08 is: 433,108.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,500.16 : 766,637.42 = 313,827.08 : x
  2. Step 2: Convert to fraction form
    555,500.16/766,637.42 = 313,827.08/x
  3. Step 3: Cross multiply
    555,500.16x = 766,637.42 × 313,827.08
  4. Step 4: Simplify right side
    555,500.16x = 240,591,577,535.01
  5. Step 5: Solve for x
    x = 240,591,577,535.01/555,500.16
  6. Step 6: Final answer
    x = 433,108.03

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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.