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Finding the Fourth Proportional to 458,995.57, 633,428.16 and 252,260.21

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Solution

The fourth proportional to 458,995.57, 633,428.16 and 252,260.21 is: 348,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,995.57 : 633,428.16 = 252,260.21 : x
  2. Step 2: Convert to fraction form
    458,995.57/633,428.16 = 252,260.21/x
  3. Step 3: Cross multiply
    458,995.57x = 633,428.16 × 252,260.21
  4. Step 4: Simplify right side
    458,995.57x = 159,788,722,182.05
  5. Step 5: Solve for x
    x = 159,788,722,182.05/458,995.57
  6. Step 6: Final answer
    x = 348,126.93

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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.