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Finding the Fourth Proportional to 291,700.80, 437,032.80 and 250,228.80

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Solution

The fourth proportional to 291,700.80, 437,032.80 and 250,228.80 is: 374,898.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,700.80 : 437,032.80 = 250,228.80 : x
  2. Step 2: Convert to fraction form
    291,700.80/437,032.80 = 250,228.80/x
  3. Step 3: Cross multiply
    291,700.80x = 437,032.80 × 250,228.80
  4. Step 4: Simplify right side
    291,700.80x = 109,358,193,104.64
  5. Step 5: Solve for x
    x = 109,358,193,104.64/291,700.80
  6. Step 6: Final answer
    x = 374,898.50

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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.