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Finding the Fourth Proportional to 456,816.37, 630,398.94 and 252,862.90

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Solution

The fourth proportional to 456,816.37, 630,398.94 and 252,862.90 is: 348,946.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,816.37 : 630,398.94 = 252,862.90 : x
  2. Step 2: Convert to fraction form
    456,816.37/630,398.94 = 252,862.90/x
  3. Step 3: Cross multiply
    456,816.37x = 630,398.94 × 252,862.90
  4. Step 4: Simplify right side
    456,816.37x = 159,404,504,125.33
  5. Step 5: Solve for x
    x = 159,404,504,125.33/456,816.37
  6. Step 6: Final answer
    x = 348,946.57

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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.