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Finding the Fourth Proportional to 532,378.45, 797,294.62 and 307,055.80

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Solution

The fourth proportional to 532,378.45, 797,294.62 and 307,055.80 is: 459,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,378.45 : 797,294.62 = 307,055.80 : x
  2. Step 2: Convert to fraction form
    532,378.45/797,294.62 = 307,055.80/x
  3. Step 3: Cross multiply
    532,378.45x = 797,294.62 × 307,055.80
  4. Step 4: Simplify right side
    532,378.45x = 244,813,937,033.05
  5. Step 5: Solve for x
    x = 244,813,937,033.05/532,378.45
  6. Step 6: Final answer
    x = 459,849.45

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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.