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Finding the Fourth Proportional to 622,182.60, 932,726.70 and 368,838.60

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Solution

The fourth proportional to 622,182.60, 932,726.70 and 368,838.60 is: 552,933.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,182.60 : 932,726.70 = 368,838.60 : x
  2. Step 2: Convert to fraction form
    622,182.60/932,726.70 = 368,838.60/x
  3. Step 3: Cross multiply
    622,182.60x = 932,726.70 × 368,838.60
  4. Step 4: Simplify right side
    622,182.60x = 344,025,610,210.62
  5. Step 5: Solve for x
    x = 344,025,610,210.62/622,182.60
  6. Step 6: Final answer
    x = 552,933.51

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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.