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Finding the Fourth Proportional to 622,950, 934,541.76 and 290,526

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Solution

The fourth proportional to 622,950, 934,541.76 and 290,526 is: 435,843.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,950 : 934,541.76 = 290,526 : x
  2. Step 2: Convert to fraction form
    622,950/934,541.76 = 290,526/x
  3. Step 3: Cross multiply
    622,950x = 934,541.76 × 290,526
  4. Step 4: Simplify right side
    622,950x = 271,508,679,365.76
  5. Step 5: Solve for x
    x = 271,508,679,365.76/622,950
  6. Step 6: Final answer
    x = 435,843.45

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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.