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Finding the Fourth Proportional to 539,734, 744,844.76 and 298,015.92

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Solution

The fourth proportional to 539,734, 744,844.76 and 298,015.92 is: 411,268.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,734 : 744,844.76 = 298,015.92 : x
  2. Step 2: Convert to fraction form
    539,734/744,844.76 = 298,015.92/x
  3. Step 3: Cross multiply
    539,734x = 744,844.76 × 298,015.92
  4. Step 4: Simplify right side
    539,734x = 221,975,596,408.58
  5. Step 5: Solve for x
    x = 221,975,596,408.58/539,734
  6. Step 6: Final answer
    x = 411,268.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.