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Finding the Fourth Proportional to 520,058.60, 779,504.70 and 267,241.40

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Solution

The fourth proportional to 520,058.60, 779,504.70 and 267,241.40 is: 400,562.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,058.60 : 779,504.70 = 267,241.40 : x
  2. Step 2: Convert to fraction form
    520,058.60/779,504.70 = 267,241.40/x
  3. Step 3: Cross multiply
    520,058.60x = 779,504.70 × 267,241.40
  4. Step 4: Simplify right side
    520,058.60x = 208,315,927,334.58
  5. Step 5: Solve for x
    x = 208,315,927,334.58/520,058.60
  6. Step 6: Final answer
    x = 400,562.41

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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.