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Finding the Fourth Proportional to 338,152.03, 507,305.81 and 101,499.19

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Solution

The fourth proportional to 338,152.03, 507,305.81 and 101,499.19 is: 152,272.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,152.03 : 507,305.81 = 101,499.19 : x
  2. Step 2: Convert to fraction form
    338,152.03/507,305.81 = 101,499.19/x
  3. Step 3: Cross multiply
    338,152.03x = 507,305.81 × 101,499.19
  4. Step 4: Simplify right side
    338,152.03x = 51,491,128,797.29
  5. Step 5: Solve for x
    x = 51,491,128,797.29/338,152.03
  6. Step 6: Final answer
    x = 152,272.13

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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.