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Finding the Fourth Proportional to 443,574.24, 612,131.84 and 252,587.64

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Solution

The fourth proportional to 443,574.24, 612,131.84 and 252,587.64 is: 348,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,574.24 : 612,131.84 = 252,587.64 : x
  2. Step 2: Convert to fraction form
    443,574.24/612,131.84 = 252,587.64/x
  3. Step 3: Cross multiply
    443,574.24x = 612,131.84 × 252,587.64
  4. Step 4: Simplify right side
    443,574.24x = 154,616,936,834.46
  5. Step 5: Solve for x
    x = 154,616,936,834.46/443,574.24
  6. Step 6: Final answer
    x = 348,570.60

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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.