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Finding the Fourth Proportional to 442,333.51, 610,400.13 and 270,539.19

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Solution

The fourth proportional to 442,333.51, 610,400.13 and 270,539.19 is: 373,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,333.51 : 610,400.13 = 270,539.19 : x
  2. Step 2: Convert to fraction form
    442,333.51/610,400.13 = 270,539.19/x
  3. Step 3: Cross multiply
    442,333.51x = 610,400.13 × 270,539.19
  4. Step 4: Simplify right side
    442,333.51x = 165,137,156,492.46
  5. Step 5: Solve for x
    x = 165,137,156,492.46/442,333.51
  6. Step 6: Final answer
    x = 373,331.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.