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Finding the Fourth Proportional to 484,566.52, 726,998.64 and 248,075.20

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Solution

The fourth proportional to 484,566.52, 726,998.64 and 248,075.20 is: 372,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,566.52 : 726,998.64 = 248,075.20 : x
  2. Step 2: Convert to fraction form
    484,566.52/726,998.64 = 248,075.20/x
  3. Step 3: Cross multiply
    484,566.52x = 726,998.64 × 248,075.20
  4. Step 4: Simplify right side
    484,566.52x = 180,350,333,017.73
  5. Step 5: Solve for x
    x = 180,350,333,017.73/484,566.52
  6. Step 6: Final answer
    x = 372,189.01

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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.