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Finding the Fourth Proportional to 622,967.76, 859,696.03 and 336,488.07

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Solution

The fourth proportional to 622,967.76, 859,696.03 and 336,488.07 is: 464,353.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,967.76 : 859,696.03 = 336,488.07 : x
  2. Step 2: Convert to fraction form
    622,967.76/859,696.03 = 336,488.07/x
  3. Step 3: Cross multiply
    622,967.76x = 859,696.03 × 336,488.07
  4. Step 4: Simplify right side
    622,967.76x = 289,277,461,565.83
  5. Step 5: Solve for x
    x = 289,277,461,565.83/622,967.76
  6. Step 6: Final answer
    x = 464,353.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.