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Finding the Fourth Proportional to 584,179.20, 875,620.80 and 229,075.20

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Solution

The fourth proportional to 584,179.20, 875,620.80 and 229,075.20 is: 343,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,179.20 : 875,620.80 = 229,075.20 : x
  2. Step 2: Convert to fraction form
    584,179.20/875,620.80 = 229,075.20/x
  3. Step 3: Cross multiply
    584,179.20x = 875,620.80 × 229,075.20
  4. Step 4: Simplify right side
    584,179.20x = 200,583,009,884.16
  5. Step 5: Solve for x
    x = 200,583,009,884.16/584,179.20
  6. Step 6: Final answer
    x = 343,358.70

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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.