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Finding the Fourth Proportional to 291,480.37, 437,220.65 and 225,017.53

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Solution

The fourth proportional to 291,480.37, 437,220.65 and 225,017.53 is: 337,526.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,480.37 : 437,220.65 = 225,017.53 : x
  2. Step 2: Convert to fraction form
    291,480.37/437,220.65 = 225,017.53/x
  3. Step 3: Cross multiply
    291,480.37x = 437,220.65 × 225,017.53
  4. Step 4: Simplify right side
    291,480.37x = 98,382,310,727.99
  5. Step 5: Solve for x
    x = 98,382,310,727.99/291,480.37
  6. Step 6: Final answer
    x = 337,526.37

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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.