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Finding the Fourth Proportional to 474,543.60, 710,778.60 and 368,530.80

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Solution

The fourth proportional to 474,543.60, 710,778.60 and 368,530.80 is: 551,991.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,543.60 : 710,778.60 = 368,530.80 : x
  2. Step 2: Convert to fraction form
    474,543.60/710,778.60 = 368,530.80/x
  3. Step 3: Cross multiply
    474,543.60x = 710,778.60 × 368,530.80
  4. Step 4: Simplify right side
    474,543.60x = 261,943,806,080.88
  5. Step 5: Solve for x
    x = 261,943,806,080.88/474,543.60
  6. Step 6: Final answer
    x = 551,991.02

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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.