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Finding the Fourth Proportional to 350,088.60, 524,744.10 and 192,430.20

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Solution

The fourth proportional to 350,088.60, 524,744.10 and 192,430.20 is: 288,431.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,088.60 : 524,744.10 = 192,430.20 : x
  2. Step 2: Convert to fraction form
    350,088.60/524,744.10 = 192,430.20/x
  3. Step 3: Cross multiply
    350,088.60x = 524,744.10 × 192,430.20
  4. Step 4: Simplify right side
    350,088.60x = 100,976,612,111.82
  5. Step 5: Solve for x
    x = 100,976,612,111.82/350,088.60
  6. Step 6: Final answer
    x = 288,431.59

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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.