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Finding the Fourth Proportional to 372,003.40, 558,005.10 and 372,003.40

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Solution

The fourth proportional to 372,003.40, 558,005.10 and 372,003.40 is: 558,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,003.40 : 558,005.10 = 372,003.40 : x
  2. Step 2: Convert to fraction form
    372,003.40/558,005.10 = 372,003.40/x
  3. Step 3: Cross multiply
    372,003.40x = 558,005.10 × 372,003.40
  4. Step 4: Simplify right side
    372,003.40x = 207,579,794,417.34
  5. Step 5: Solve for x
    x = 207,579,794,417.34/372,003.40
  6. Step 6: Final answer
    x = 558,005.10

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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.