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Finding the Fourth Proportional to 562,140.90, 843,320.70 and 162,794.70

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Solution

The fourth proportional to 562,140.90, 843,320.70 and 162,794.70 is: 244,223.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,140.90 : 843,320.70 = 162,794.70 : x
  2. Step 2: Convert to fraction form
    562,140.90/843,320.70 = 162,794.70/x
  3. Step 3: Cross multiply
    562,140.90x = 843,320.70 × 162,794.70
  4. Step 4: Simplify right side
    562,140.90x = 137,288,140,360.29
  5. Step 5: Solve for x
    x = 137,288,140,360.29/562,140.90
  6. Step 6: Final answer
    x = 244,223.72

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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.