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Finding the Fourth Proportional to 250,314.90, 351,140.70 and 250,314.90

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Solution

The fourth proportional to 250,314.90, 351,140.70 and 250,314.90 is: 351,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,314.90 : 351,140.70 = 250,314.90 : x
  2. Step 2: Convert to fraction form
    250,314.90/351,140.70 = 250,314.90/x
  3. Step 3: Cross multiply
    250,314.90x = 351,140.70 × 250,314.90
  4. Step 4: Simplify right side
    250,314.90x = 87,895,749,206.43
  5. Step 5: Solve for x
    x = 87,895,749,206.43/250,314.90
  6. Step 6: Final answer
    x = 351,140.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.