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Finding the Fourth Proportional to 352,016.31, 528,023.41 and 304,490.05

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Solution

The fourth proportional to 352,016.31, 528,023.41 and 304,490.05 is: 456,734.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,016.31 : 528,023.41 = 304,490.05 : x
  2. Step 2: Convert to fraction form
    352,016.31/528,023.41 = 304,490.05/x
  3. Step 3: Cross multiply
    352,016.31x = 528,023.41 × 304,490.05
  4. Step 4: Simplify right side
    352,016.31x = 160,777,874,512.07
  5. Step 5: Solve for x
    x = 160,777,874,512.07/352,016.31
  6. Step 6: Final answer
    x = 456,734.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.