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Finding the Fourth Proportional to 562,021.70, 843,032.55 and 562,021.70

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Solution

The fourth proportional to 562,021.70, 843,032.55 and 562,021.70 is: 843,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,021.70 : 843,032.55 = 562,021.70 : x
  2. Step 2: Convert to fraction form
    562,021.70/843,032.55 = 562,021.70/x
  3. Step 3: Cross multiply
    562,021.70x = 843,032.55 × 562,021.70
  4. Step 4: Simplify right side
    562,021.70x = 473,802,586,906.34
  5. Step 5: Solve for x
    x = 473,802,586,906.34/562,021.70
  6. Step 6: Final answer
    x = 843,032.55

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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.