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Finding the Fourth Proportional to 367,051.60, 550,577.40 and 260,763.40

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Solution

The fourth proportional to 367,051.60, 550,577.40 and 260,763.40 is: 391,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,051.60 : 550,577.40 = 260,763.40 : x
  2. Step 2: Convert to fraction form
    367,051.60/550,577.40 = 260,763.40/x
  3. Step 3: Cross multiply
    367,051.60x = 550,577.40 × 260,763.40
  4. Step 4: Simplify right side
    367,051.60x = 143,570,434,787.16
  5. Step 5: Solve for x
    x = 143,570,434,787.16/367,051.60
  6. Step 6: Final answer
    x = 391,145.10

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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.