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Finding the Fourth Proportional to 577,195.40, 865,793.10 and 470,907.20

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Solution

The fourth proportional to 577,195.40, 865,793.10 and 470,907.20 is: 706,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,195.40 : 865,793.10 = 470,907.20 : x
  2. Step 2: Convert to fraction form
    577,195.40/865,793.10 = 470,907.20/x
  3. Step 3: Cross multiply
    577,195.40x = 865,793.10 × 470,907.20
  4. Step 4: Simplify right side
    577,195.40x = 407,708,204,500.32
  5. Step 5: Solve for x
    x = 407,708,204,500.32/577,195.40
  6. Step 6: Final answer
    x = 706,360.80

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Similar ratio
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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.