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Finding the Fourth Proportional to 562,100.00, 843,160.95 and 206,931.20

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Solution

The fourth proportional to 562,100.00, 843,160.95 and 206,931.20 is: 310,400.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,100.00 : 843,160.95 = 206,931.20 : x
  2. Step 2: Convert to fraction form
    562,100.00/843,160.95 = 206,931.20/x
  3. Step 3: Cross multiply
    562,100.00x = 843,160.95 × 206,931.20
  4. Step 4: Simplify right side
    562,100.00x = 174,476,302,960.84
  5. Step 5: Solve for x
    x = 174,476,302,960.84/562,100.00
  6. Step 6: Final answer
    x = 310,400.83

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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.