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Finding the Fourth Proportional to 262,352, 393,594.42 and 75,363.50

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Solution

The fourth proportional to 262,352, 393,594.42 and 75,363.50 is: 113,064.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,352 : 393,594.42 = 75,363.50 : x
  2. Step 2: Convert to fraction form
    262,352/393,594.42 = 75,363.50/x
  3. Step 3: Cross multiply
    262,352x = 393,594.42 × 75,363.50
  4. Step 4: Simplify right side
    262,352x = 29,662,653,071.67
  5. Step 5: Solve for x
    x = 29,662,653,071.67/262,352
  6. Step 6: Final answer
    x = 113,064.33

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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.