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Finding the Fourth Proportional to 622,541.40, 933,812.10 and 618,604.80

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Solution

The fourth proportional to 622,541.40, 933,812.10 and 618,604.80 is: 927,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,541.40 : 933,812.10 = 618,604.80 : x
  2. Step 2: Convert to fraction form
    622,541.40/933,812.10 = 618,604.80/x
  3. Step 3: Cross multiply
    622,541.40x = 933,812.10 × 618,604.80
  4. Step 4: Simplify right side
    622,541.40x = 577,660,647,358.08
  5. Step 5: Solve for x
    x = 577,660,647,358.08/622,541.40
  6. Step 6: Final answer
    x = 927,907.20

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Similar ratio
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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.