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Finding the Fourth Proportional to 443,088.53, 611,464.67 and 252,101.92

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Solution

The fourth proportional to 443,088.53, 611,464.67 and 252,101.92 is: 347,902.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,088.53 : 611,464.67 = 252,101.92 : x
  2. Step 2: Convert to fraction form
    443,088.53/611,464.67 = 252,101.92/x
  3. Step 3: Cross multiply
    443,088.53x = 611,464.67 × 252,101.92
  4. Step 4: Simplify right side
    443,088.53x = 154,151,417,587.32
  5. Step 5: Solve for x
    x = 154,151,417,587.32/443,088.53
  6. Step 6: Final answer
    x = 347,902.07

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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.