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Finding the Fourth Proportional to 382,037.20, 573,055.80 and 97,727.20

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Solution

The fourth proportional to 382,037.20, 573,055.80 and 97,727.20 is: 146,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,037.20 : 573,055.80 = 97,727.20 : x
  2. Step 2: Convert to fraction form
    382,037.20/573,055.80 = 97,727.20/x
  3. Step 3: Cross multiply
    382,037.20x = 573,055.80 × 97,727.20
  4. Step 4: Simplify right side
    382,037.20x = 56,003,138,777.76
  5. Step 5: Solve for x
    x = 56,003,138,777.76/382,037.20
  6. Step 6: Final answer
    x = 146,590.80

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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.