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Finding the Fourth Proportional to 575,324.20, 864,023.10 and 556,661.80

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Solution

The fourth proportional to 575,324.20, 864,023.10 and 556,661.80 is: 835,995.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,324.20 : 864,023.10 = 556,661.80 : x
  2. Step 2: Convert to fraction form
    575,324.20/864,023.10 = 556,661.80/x
  3. Step 3: Cross multiply
    575,324.20x = 864,023.10 × 556,661.80
  4. Step 4: Simplify right side
    575,324.20x = 480,968,654,087.58
  5. Step 5: Solve for x
    x = 480,968,654,087.58/575,324.20
  6. Step 6: Final answer
    x = 835,995.87

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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.