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Finding the Fourth Proportional to 443,014.88, 611,339.28 and 252,010.40

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Solution

The fourth proportional to 443,014.88, 611,339.28 and 252,010.40 is: 347,762.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,014.88 : 611,339.28 = 252,010.40 : x
  2. Step 2: Convert to fraction form
    443,014.88/611,339.28 = 252,010.40/x
  3. Step 3: Cross multiply
    443,014.88x = 611,339.28 × 252,010.40
  4. Step 4: Simplify right side
    443,014.88x = 154,063,856,488.51
  5. Step 5: Solve for x
    x = 154,063,856,488.51/443,014.88
  6. Step 6: Final answer
    x = 347,762.26

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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.