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Finding the Fourth Proportional to 539,720.40, 808,932.60 and 224,014.80

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Solution

The fourth proportional to 539,720.40, 808,932.60 and 224,014.80 is: 335,753.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,720.40 : 808,932.60 = 224,014.80 : x
  2. Step 2: Convert to fraction form
    539,720.40/808,932.60 = 224,014.80/x
  3. Step 3: Cross multiply
    539,720.40x = 808,932.60 × 224,014.80
  4. Step 4: Simplify right side
    539,720.40x = 181,212,874,602.48
  5. Step 5: Solve for x
    x = 181,212,874,602.48/539,720.40
  6. Step 6: Final answer
    x = 335,753.24

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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.