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Finding the Fourth Proportional to 555,700.68, 766,585.08 and 351,407.34

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Solution

The fourth proportional to 555,700.68, 766,585.08 and 351,407.34 is: 484,763.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,700.68 : 766,585.08 = 351,407.34 : x
  2. Step 2: Convert to fraction form
    555,700.68/766,585.08 = 351,407.34/x
  3. Step 3: Cross multiply
    555,700.68x = 766,585.08 × 351,407.34
  4. Step 4: Simplify right side
    555,700.68x = 269,383,623,846.49
  5. Step 5: Solve for x
    x = 269,383,623,846.49/555,700.68
  6. Step 6: Final answer
    x = 484,763.89

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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.