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Finding the Fourth Proportional to 622,123.80, 933,185.70 and 267,077.40

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Solution

The fourth proportional to 622,123.80, 933,185.70 and 267,077.40 is: 400,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,123.80 : 933,185.70 = 267,077.40 : x
  2. Step 2: Convert to fraction form
    622,123.80/933,185.70 = 267,077.40/x
  3. Step 3: Cross multiply
    622,123.80x = 933,185.70 × 267,077.40
  4. Step 4: Simplify right side
    622,123.80x = 249,232,810,473.18
  5. Step 5: Solve for x
    x = 249,232,810,473.18/622,123.80
  6. Step 6: Final answer
    x = 400,616.10

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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.