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Finding the Fourth Proportional to 458,948.16, 633,343.86 and 252,219.96

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Solution

The fourth proportional to 458,948.16, 633,343.86 and 252,219.96 is: 348,061.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,948.16 : 633,343.86 = 252,219.96 : x
  2. Step 2: Convert to fraction form
    458,948.16/633,343.86 = 252,219.96/x
  3. Step 3: Cross multiply
    458,948.16x = 633,343.86 × 252,219.96
  4. Step 4: Simplify right side
    458,948.16x = 159,741,963,035.45
  5. Step 5: Solve for x
    x = 159,741,963,035.45/458,948.16
  6. Step 6: Final answer
    x = 348,061.02

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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.