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Finding the Fourth Proportional to 456,645.36, 630,161.19 and 252,696.15

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Solution

The fourth proportional to 456,645.36, 630,161.19 and 252,696.15 is: 348,715.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,645.36 : 630,161.19 = 252,696.15 : x
  2. Step 2: Convert to fraction form
    456,645.36/630,161.19 = 252,696.15/x
  3. Step 3: Cross multiply
    456,645.36x = 630,161.19 × 252,696.15
  4. Step 4: Simplify right side
    456,645.36x = 159,239,306,592.42
  5. Step 5: Solve for x
    x = 159,239,306,592.42/456,645.36
  6. Step 6: Final answer
    x = 348,715.48

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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.