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Finding the Fourth Proportional to 562,215.52, 843,655.92 and 207,476.56

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Solution

The fourth proportional to 562,215.52, 843,655.92 and 207,476.56 is: 311,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,215.52 : 843,655.92 = 207,476.56 : x
  2. Step 2: Convert to fraction form
    562,215.52/843,655.92 = 207,476.56/x
  3. Step 3: Cross multiply
    562,215.52x = 843,655.92 × 207,476.56
  4. Step 4: Simplify right side
    562,215.52x = 175,038,828,105.24
  5. Step 5: Solve for x
    x = 175,038,828,105.24/562,215.52
  6. Step 6: Final answer
    x = 311,337.60

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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.