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Finding the Fourth Proportional to 288,530.80, 432,796.20 and 288,530.80

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Solution

The fourth proportional to 288,530.80, 432,796.20 and 288,530.80 is: 432,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,530.80 : 432,796.20 = 288,530.80 : x
  2. Step 2: Convert to fraction form
    288,530.80/432,796.20 = 288,530.80/x
  3. Step 3: Cross multiply
    288,530.80x = 432,796.20 × 288,530.80
  4. Step 4: Simplify right side
    288,530.80x = 124,875,033,822.96
  5. Step 5: Solve for x
    x = 124,875,033,822.96/288,530.80
  6. Step 6: Final answer
    x = 432,796.20

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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.