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Finding the Fourth Proportional to 404,083, 606,148.80 and 123,602.68

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Solution

The fourth proportional to 404,083, 606,148.80 and 123,602.68 is: 185,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,083 : 606,148.80 = 123,602.68 : x
  2. Step 2: Convert to fraction form
    404,083/606,148.80 = 123,602.68/x
  3. Step 3: Cross multiply
    404,083x = 606,148.80 × 123,602.68
  4. Step 4: Simplify right side
    404,083x = 74,921,616,158.78
  5. Step 5: Solve for x
    x = 74,921,616,158.78/404,083
  6. Step 6: Final answer
    x = 185,411.45

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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.