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Finding the Fourth Proportional to 507,949.94, 762,345.30 and 255,302.84

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Solution

The fourth proportional to 507,949.94, 762,345.30 and 255,302.84 is: 383,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,949.94 : 762,345.30 = 255,302.84 : x
  2. Step 2: Convert to fraction form
    507,949.94/762,345.30 = 255,302.84/x
  3. Step 3: Cross multiply
    507,949.94x = 762,345.30 × 255,302.84
  4. Step 4: Simplify right side
    507,949.94x = 194,628,920,150.65
  5. Step 5: Solve for x
    x = 194,628,920,150.65/507,949.94
  6. Step 6: Final answer
    x = 383,165.55

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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.