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Finding the Fourth Proportional to 565,337.20, 848,005.80 and 561,400.60

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Solution

The fourth proportional to 565,337.20, 848,005.80 and 561,400.60 is: 842,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,337.20 : 848,005.80 = 561,400.60 : x
  2. Step 2: Convert to fraction form
    565,337.20/848,005.80 = 561,400.60/x
  3. Step 3: Cross multiply
    565,337.20x = 848,005.80 × 561,400.60
  4. Step 4: Simplify right side
    565,337.20x = 476,070,964,923.48
  5. Step 5: Solve for x
    x = 476,070,964,923.48/565,337.20
  6. Step 6: Final answer
    x = 842,100.90

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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.