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Finding the Fourth Proportional to 622,411.80, 933,732.90 and 201,701.40

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Solution

The fourth proportional to 622,411.80, 933,732.90 and 201,701.40 is: 302,589.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,411.80 : 933,732.90 = 201,701.40 : x
  2. Step 2: Convert to fraction form
    622,411.80/933,732.90 = 201,701.40/x
  3. Step 3: Cross multiply
    622,411.80x = 933,732.90 × 201,701.40
  4. Step 4: Simplify right side
    622,411.80x = 188,335,233,156.06
  5. Step 5: Solve for x
    x = 188,335,233,156.06/622,411.80
  6. Step 6: Final answer
    x = 302,589.43

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1.5x scale

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.