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Finding the Fourth Proportional to 562,432.20, 843,722.30 and 207,695.40

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Solution

The fourth proportional to 562,432.20, 843,722.30 and 207,695.40 is: 311,570.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,432.20 : 843,722.30 = 207,695.40 : x
  2. Step 2: Convert to fraction form
    562,432.20/843,722.30 = 207,695.40/x
  3. Step 3: Cross multiply
    562,432.20x = 843,722.30 × 207,695.40
  4. Step 4: Simplify right side
    562,432.20x = 175,237,240,587.42
  5. Step 5: Solve for x
    x = 175,237,240,587.42/562,432.20
  6. Step 6: Final answer
    x = 311,570.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.