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Finding the Fourth Proportional to 445,446.08, 614,707.58 and 251,850.47

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Solution

The fourth proportional to 445,446.08, 614,707.58 and 251,850.47 is: 347,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,446.08 : 614,707.58 = 251,850.47 : x
  2. Step 2: Convert to fraction form
    445,446.08/614,707.58 = 251,850.47/x
  3. Step 3: Cross multiply
    445,446.08x = 614,707.58 × 251,850.47
  4. Step 4: Simplify right side
    445,446.08x = 154,814,390,491.65
  5. Step 5: Solve for x
    x = 154,814,390,491.65/445,446.08
  6. Step 6: Final answer
    x = 347,549.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.