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Finding the Fourth Proportional to 482,003.66, 723,156.63 and 290,087.48

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Solution

The fourth proportional to 482,003.66, 723,156.63 and 290,087.48 is: 435,222.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,003.66 : 723,156.63 = 290,087.48 : x
  2. Step 2: Convert to fraction form
    482,003.66/723,156.63 = 290,087.48/x
  3. Step 3: Cross multiply
    482,003.66x = 723,156.63 × 290,087.48
  4. Step 4: Simplify right side
    482,003.66x = 209,778,684,441.99
  5. Step 5: Solve for x
    x = 209,778,684,441.99/482,003.66
  6. Step 6: Final answer
    x = 435,222.18

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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.