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Finding the Fourth Proportional to 310,823.20, 466,234.80 and 250,688.80

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Solution

The fourth proportional to 310,823.20, 466,234.80 and 250,688.80 is: 376,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,823.20 : 466,234.80 = 250,688.80 : x
  2. Step 2: Convert to fraction form
    310,823.20/466,234.80 = 250,688.80/x
  3. Step 3: Cross multiply
    310,823.20x = 466,234.80 × 250,688.80
  4. Step 4: Simplify right side
    310,823.20x = 116,879,842,530.24
  5. Step 5: Solve for x
    x = 116,879,842,530.24/310,823.20
  6. Step 6: Final answer
    x = 376,033.20

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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.