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Finding the Fourth Proportional to 443,483.90, 612,008.36 and 252,497.24

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Solution

The fourth proportional to 443,483.90, 612,008.36 and 252,497.24 is: 348,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,483.90 : 612,008.36 = 252,497.24 : x
  2. Step 2: Convert to fraction form
    443,483.90/612,008.36 = 252,497.24/x
  3. Step 3: Cross multiply
    443,483.90x = 612,008.36 × 252,497.24
  4. Step 4: Simplify right side
    443,483.90x = 154,530,421,756.93
  5. Step 5: Solve for x
    x = 154,530,421,756.93/443,483.90
  6. Step 6: Final answer
    x = 348,446.52

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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.