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Finding the Fourth Proportional to 367,075.60, 550,613.40 and 260,787.40

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Solution

The fourth proportional to 367,075.60, 550,613.40 and 260,787.40 is: 391,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,075.60 : 550,613.40 = 260,787.40 : x
  2. Step 2: Convert to fraction form
    367,075.60/550,613.40 = 260,787.40/x
  3. Step 3: Cross multiply
    367,075.60x = 550,613.40 × 260,787.40
  4. Step 4: Simplify right side
    367,075.60x = 143,593,036,991.16
  5. Step 5: Solve for x
    x = 143,593,036,991.16/367,075.60
  6. Step 6: Final answer
    x = 391,181.10

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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.