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Finding the Fourth Proportional to 402,844.81, 604,267.36 and 103,325.36

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Solution

The fourth proportional to 402,844.81, 604,267.36 and 103,325.36 is: 154,988.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,844.81 : 604,267.36 = 103,325.36 : x
  2. Step 2: Convert to fraction form
    402,844.81/604,267.36 = 103,325.36/x
  3. Step 3: Cross multiply
    402,844.81x = 604,267.36 × 103,325.36
  4. Step 4: Simplify right side
    402,844.81x = 62,436,142,508.25
  5. Step 5: Solve for x
    x = 62,436,142,508.25/402,844.81
  6. Step 6: Final answer
    x = 154,988.08

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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.