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Finding the Fourth Proportional to 539,060.40, 808,662.60 and 183,985.20

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Solution

The fourth proportional to 539,060.40, 808,662.60 and 183,985.20 is: 276,002.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,060.40 : 808,662.60 = 183,985.20 : x
  2. Step 2: Convert to fraction form
    539,060.40/808,662.60 = 183,985.20/x
  3. Step 3: Cross multiply
    539,060.40x = 808,662.60 × 183,985.20
  4. Step 4: Simplify right side
    539,060.40x = 148,781,950,193.52
  5. Step 5: Solve for x
    x = 148,781,950,193.52/539,060.40
  6. Step 6: Final answer
    x = 276,002.37

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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.