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Finding the Fourth Proportional to 456,689.34, 630,232.49 and 252,754.32

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Solution

The fourth proportional to 456,689.34, 630,232.49 and 252,754.32 is: 348,801.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,689.34 : 630,232.49 = 252,754.32 : x
  2. Step 2: Convert to fraction form
    456,689.34/630,232.49 = 252,754.32/x
  3. Step 3: Cross multiply
    456,689.34x = 630,232.49 × 252,754.32
  4. Step 4: Simplify right side
    456,689.34x = 159,293,983,188.09
  5. Step 5: Solve for x
    x = 159,293,983,188.09/456,689.34
  6. Step 6: Final answer
    x = 348,801.62

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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.