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Finding the Fourth Proportional to 555,648.89, 766,797.83 and 301,000.08

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Solution

The fourth proportional to 555,648.89, 766,797.83 and 301,000.08 is: 415,381.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,648.89 : 766,797.83 = 301,000.08 : x
  2. Step 2: Convert to fraction form
    555,648.89/766,797.83 = 301,000.08/x
  3. Step 3: Cross multiply
    555,648.89x = 766,797.83 × 301,000.08
  4. Step 4: Simplify right side
    555,648.89x = 230,806,206,668.83
  5. Step 5: Solve for x
    x = 230,806,206,668.83/555,648.89
  6. Step 6: Final answer
    x = 415,381.39

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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.