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Finding the Fourth Proportional to 622,970.36, 933,684.61 and 442,768.66

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Solution

The fourth proportional to 622,970.36, 933,684.61 and 442,768.66 is: 663,605.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,970.36 : 933,684.61 = 442,768.66 : x
  2. Step 2: Convert to fraction form
    622,970.36/933,684.61 = 442,768.66/x
  3. Step 3: Cross multiply
    622,970.36x = 933,684.61 × 442,768.66
  4. Step 4: Simplify right side
    622,970.36x = 413,406,283,632.32
  5. Step 5: Solve for x
    x = 413,406,283,632.32/622,970.36
  6. Step 6: Final answer
    x = 663,605.06

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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.