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Finding the Fourth Proportional to 907,593.90, 1,361,390.85 and 242,745.90

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Solution

The fourth proportional to 907,593.90, 1,361,390.85 and 242,745.90 is: 364,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,593.90 : 1,361,390.85 = 242,745.90 : x
  2. Step 2: Convert to fraction form
    907,593.90/1,361,390.85 = 242,745.90/x
  3. Step 3: Cross multiply
    907,593.90x = 1,361,390.85 × 242,745.90
  4. Step 4: Simplify right side
    907,593.90x = 330,472,047,135.02
  5. Step 5: Solve for x
    x = 330,472,047,135.02/907,593.90
  6. Step 6: Final answer
    x = 364,118.85

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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.