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Finding the Fourth Proportional to 622,954.40, 859,685.04 and 368,303.36

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Solution

The fourth proportional to 622,954.40, 859,685.04 and 368,303.36 is: 508,263.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,954.40 : 859,685.04 = 368,303.36 : x
  2. Step 2: Convert to fraction form
    622,954.40/859,685.04 = 368,303.36/x
  3. Step 3: Cross multiply
    622,954.40x = 859,685.04 × 368,303.36
  4. Step 4: Simplify right side
    622,954.40x = 316,624,888,773.73
  5. Step 5: Solve for x
    x = 316,624,888,773.73/622,954.40
  6. Step 6: Final answer
    x = 508,263.35

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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.