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Finding the Fourth Proportional to 456,672.93, 630,193.10 and 252,732.45

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Solution

The fourth proportional to 456,672.93, 630,193.10 and 252,732.45 is: 348,762.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,672.93 : 630,193.10 = 252,732.45 : x
  2. Step 2: Convert to fraction form
    456,672.93/630,193.10 = 252,732.45/x
  3. Step 3: Cross multiply
    456,672.93x = 630,193.10 × 252,732.45
  4. Step 4: Simplify right side
    456,672.93x = 159,270,244,872.43
  5. Step 5: Solve for x
    x = 159,270,244,872.43/456,672.93
  6. Step 6: Final answer
    x = 348,762.18

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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.