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Finding the Fourth Proportional to 456,659.14, 630,174.13 and 252,718.69

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Solution

The fourth proportional to 456,659.14, 630,174.13 and 252,718.69 is: 348,743.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,659.14 : 630,174.13 = 252,718.69 : x
  2. Step 2: Convert to fraction form
    456,659.14/630,174.13 = 252,718.69/x
  3. Step 3: Cross multiply
    456,659.14x = 630,174.13 × 252,718.69
  4. Step 4: Simplify right side
    456,659.14x = 159,256,780,605.49
  5. Step 5: Solve for x
    x = 159,256,780,605.49/456,659.14
  6. Step 6: Final answer
    x = 348,743.22

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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.