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Finding the Fourth Proportional to 584,995.60, 878,530.20 and 452,198.80

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Solution

The fourth proportional to 584,995.60, 878,530.20 and 452,198.80 is: 679,099.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,995.60 : 878,530.20 = 452,198.80 : x
  2. Step 2: Convert to fraction form
    584,995.60/878,530.20 = 452,198.80/x
  3. Step 3: Cross multiply
    584,995.60x = 878,530.20 × 452,198.80
  4. Step 4: Simplify right side
    584,995.60x = 397,270,302,203.76
  5. Step 5: Solve for x
    x = 397,270,302,203.76/584,995.60
  6. Step 6: Final answer
    x = 679,099.64

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Double scale
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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.