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Finding the Fourth Proportional to 499,897.80, 749,924.47 and 162,860.00

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Solution

The fourth proportional to 499,897.80, 749,924.47 and 162,860.00 is: 244,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,897.80 : 749,924.47 = 162,860.00 : x
  2. Step 2: Convert to fraction form
    499,897.80/749,924.47 = 162,860.00/x
  3. Step 3: Cross multiply
    499,897.80x = 749,924.47 × 162,860.00
  4. Step 4: Simplify right side
    499,897.80x = 122,132,695,027.43
  5. Step 5: Solve for x
    x = 122,132,695,027.43/499,897.80
  6. Step 6: Final answer
    x = 244,315.33

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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.