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Finding the Fourth Proportional to 560,479.30, 773,566.89 and 351,024.23

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Solution

The fourth proportional to 560,479.30, 773,566.89 and 351,024.23 is: 484,479.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,479.30 : 773,566.89 = 351,024.23 : x
  2. Step 2: Convert to fraction form
    560,479.30/773,566.89 = 351,024.23/x
  3. Step 3: Cross multiply
    560,479.30x = 773,566.89 × 351,024.23
  4. Step 4: Simplify right side
    560,479.30x = 271,540,721,915.75
  5. Step 5: Solve for x
    x = 271,540,721,915.75/560,479.30
  6. Step 6: Final answer
    x = 484,479.48

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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.