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Finding the Fourth Proportional to 294,466.80, 441,700.20 and 260,641.20

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Solution

The fourth proportional to 294,466.80, 441,700.20 and 260,641.20 is: 390,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,466.80 : 441,700.20 = 260,641.20 : x
  2. Step 2: Convert to fraction form
    294,466.80/441,700.20 = 260,641.20/x
  3. Step 3: Cross multiply
    294,466.80x = 441,700.20 × 260,641.20
  4. Step 4: Simplify right side
    294,466.80x = 115,125,270,168.24
  5. Step 5: Solve for x
    x = 115,125,270,168.24/294,466.80
  6. Step 6: Final answer
    x = 390,961.80

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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.