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Finding the Fourth Proportional to 372,627.92, 558,242.04 and 289,113.68

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Solution

The fourth proportional to 372,627.92, 558,242.04 and 289,113.68 is: 433,127.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,627.92 : 558,242.04 = 289,113.68 : x
  2. Step 2: Convert to fraction form
    372,627.92/558,242.04 = 289,113.68/x
  3. Step 3: Cross multiply
    372,627.92x = 558,242.04 × 289,113.68
  4. Step 4: Simplify right side
    372,627.92x = 161,395,410,515.11
  5. Step 5: Solve for x
    x = 161,395,410,515.11/372,627.92
  6. Step 6: Final answer
    x = 433,127.53

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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.