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Finding the Fourth Proportional to 302,465.85, 453,698.78 and 255,226.65

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Solution

The fourth proportional to 302,465.85, 453,698.78 and 255,226.65 is: 382,839.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,465.85 : 453,698.78 = 255,226.65 : x
  2. Step 2: Convert to fraction form
    302,465.85/453,698.78 = 255,226.65/x
  3. Step 3: Cross multiply
    302,465.85x = 453,698.78 × 255,226.65
  4. Step 4: Simplify right side
    302,465.85x = 115,796,018,452.35
  5. Step 5: Solve for x
    x = 115,796,018,452.35/302,465.85
  6. Step 6: Final answer
    x = 382,839.98

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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.