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Finding the Fourth Proportional to 441,012.17, 660,685.57 and 260,559.16

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Solution

The fourth proportional to 441,012.17, 660,685.57 and 260,559.16 is: 390,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,012.17 : 660,685.57 = 260,559.16 : x
  2. Step 2: Convert to fraction form
    441,012.17/660,685.57 = 260,559.16/x
  3. Step 3: Cross multiply
    441,012.17x = 660,685.57 × 260,559.16
  4. Step 4: Simplify right side
    441,012.17x = 172,147,677,143.32
  5. Step 5: Solve for x
    x = 172,147,677,143.32/441,012.17
  6. Step 6: Final answer
    x = 390,346.77

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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.