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Finding the Fourth Proportional to 561,809.40, 842,926.86 and 337,326.72

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Solution

The fourth proportional to 561,809.40, 842,926.86 and 337,326.72 is: 506,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,809.40 : 842,926.86 = 337,326.72 : x
  2. Step 2: Convert to fraction form
    561,809.40/842,926.86 = 337,326.72/x
  3. Step 3: Cross multiply
    561,809.40x = 842,926.86 × 337,326.72
  4. Step 4: Simplify right side
    561,809.40x = 284,341,752,883.70
  5. Step 5: Solve for x
    x = 284,341,752,883.70/561,809.40
  6. Step 6: Final answer
    x = 506,117.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.