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Finding the Fourth Proportional to 372,637.44, 561,466.98 and 307,535.76

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Solution

The fourth proportional to 372,637.44, 561,466.98 and 307,535.76 is: 463,375.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,637.44 : 561,466.98 = 307,535.76 : x
  2. Step 2: Convert to fraction form
    372,637.44/561,466.98 = 307,535.76/x
  3. Step 3: Cross multiply
    372,637.44x = 561,466.98 × 307,535.76
  4. Step 4: Simplify right side
    372,637.44x = 172,671,174,409.21
  5. Step 5: Solve for x
    x = 172,671,174,409.21/372,637.44
  6. Step 6: Final answer
    x = 463,375.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.