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Finding the Fourth Proportional to 441,002.25, 660,670.96 and 260,549.23

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Solution

The fourth proportional to 441,002.25, 660,670.96 and 260,549.23 is: 390,332.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,002.25 : 660,670.96 = 260,549.23 : x
  2. Step 2: Convert to fraction form
    441,002.25/660,670.96 = 260,549.23/x
  3. Step 3: Cross multiply
    441,002.25x = 660,670.96 × 260,549.23
  4. Step 4: Simplify right side
    441,002.25x = 172,137,309,911.36
  5. Step 5: Solve for x
    x = 172,137,309,911.36/441,002.25
  6. Step 6: Final answer
    x = 390,332.04

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1.5x scale

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.