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Finding the Fourth Proportional to 338,243.01, 507,360.87 and 101,575.59

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Solution

The fourth proportional to 338,243.01, 507,360.87 and 101,575.59 is: 152,362.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,243.01 : 507,360.87 = 101,575.59 : x
  2. Step 2: Convert to fraction form
    338,243.01/507,360.87 = 101,575.59/x
  3. Step 3: Cross multiply
    338,243.01x = 507,360.87 × 101,575.59
  4. Step 4: Simplify right side
    338,243.01x = 51,535,479,713.16
  5. Step 5: Solve for x
    x = 51,535,479,713.16/338,243.01
  6. Step 6: Final answer
    x = 152,362.29

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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.