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Finding the Fourth Proportional to 571,524.60, 856,412.10 and 540,031.80

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Solution

The fourth proportional to 571,524.60, 856,412.10 and 540,031.80 is: 809,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,524.60 : 856,412.10 = 540,031.80 : x
  2. Step 2: Convert to fraction form
    571,524.60/856,412.10 = 540,031.80/x
  3. Step 3: Cross multiply
    571,524.60x = 856,412.10 × 540,031.80
  4. Step 4: Simplify right side
    571,524.60x = 462,489,767,904.78
  5. Step 5: Solve for x
    x = 462,489,767,904.78/571,524.60
  6. Step 6: Final answer
    x = 809,221.10

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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.