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Finding the Fourth Proportional to 555,801.39, 767,020.19 and 341,060.13

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Solution

The fourth proportional to 555,801.39, 767,020.19 and 341,060.13 is: 470,671.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,801.39 : 767,020.19 = 341,060.13 : x
  2. Step 2: Convert to fraction form
    555,801.39/767,020.19 = 341,060.13/x
  3. Step 3: Cross multiply
    555,801.39x = 767,020.19 × 341,060.13
  4. Step 4: Simplify right side
    555,801.39x = 261,600,004,008.72
  5. Step 5: Solve for x
    x = 261,600,004,008.72/555,801.39
  6. Step 6: Final answer
    x = 470,671.73

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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.