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Finding the Fourth Proportional to 506,961.65, 760,169.71 and 203,203.35

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Solution

The fourth proportional to 506,961.65, 760,169.71 and 203,203.35 is: 304,695.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,961.65 : 760,169.71 = 203,203.35 : x
  2. Step 2: Convert to fraction form
    506,961.65/760,169.71 = 203,203.35/x
  3. Step 3: Cross multiply
    506,961.65x = 760,169.71 × 203,203.35
  4. Step 4: Simplify right side
    506,961.65x = 154,469,031,894.53
  5. Step 5: Solve for x
    x = 154,469,031,894.53/506,961.65
  6. Step 6: Final answer
    x = 304,695.69

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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.