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Finding the Fourth Proportional to 561,567.60, 842,351.40 and 555,662.70

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Solution

The fourth proportional to 561,567.60, 842,351.40 and 555,662.70 is: 833,494.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,567.60 : 842,351.40 = 555,662.70 : x
  2. Step 2: Convert to fraction form
    561,567.60/842,351.40 = 555,662.70/x
  3. Step 3: Cross multiply
    561,567.60x = 842,351.40 × 555,662.70
  4. Step 4: Simplify right side
    561,567.60x = 468,063,253,272.78
  5. Step 5: Solve for x
    x = 468,063,253,272.78/561,567.60
  6. Step 6: Final answer
    x = 833,494.05

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Similar ratio
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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.