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Finding the Fourth Proportional to 404,866.11, 607,193.04 and 120,480.39

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Solution

The fourth proportional to 404,866.11, 607,193.04 and 120,480.39 is: 180,689.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,866.11 : 607,193.04 = 120,480.39 : x
  2. Step 2: Convert to fraction form
    404,866.11/607,193.04 = 120,480.39/x
  3. Step 3: Cross multiply
    404,866.11x = 607,193.04 × 120,480.39
  4. Step 4: Simplify right side
    404,866.11x = 73,154,854,264.49
  5. Step 5: Solve for x
    x = 73,154,854,264.49/404,866.11
  6. Step 6: Final answer
    x = 180,689.00

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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.