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Finding the Fourth Proportional to 622,694.25, 934,041.38 and 201,970.13

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Solution

The fourth proportional to 622,694.25, 934,041.38 and 201,970.13 is: 302,955.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,694.25 : 934,041.38 = 201,970.13 : x
  2. Step 2: Convert to fraction form
    622,694.25/934,041.38 = 201,970.13/x
  3. Step 3: Cross multiply
    622,694.25x = 934,041.38 × 201,970.13
  4. Step 4: Simplify right side
    622,694.25x = 188,648,453,263.92
  5. Step 5: Solve for x
    x = 188,648,453,263.92/622,694.25
  6. Step 6: Final answer
    x = 302,955.19

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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.