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Finding the Fourth Proportional to 562,302.45, 842,520.56 and 395,740.53

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Solution

The fourth proportional to 562,302.45, 842,520.56 and 395,740.53 is: 592,954.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,302.45 : 842,520.56 = 395,740.53 : x
  2. Step 2: Convert to fraction form
    562,302.45/842,520.56 = 395,740.53/x
  3. Step 3: Cross multiply
    562,302.45x = 842,520.56 × 395,740.53
  4. Step 4: Simplify right side
    562,302.45x = 333,419,530,971.59
  5. Step 5: Solve for x
    x = 333,419,530,971.59/562,302.45
  6. Step 6: Final answer
    x = 592,954.08

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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.