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Finding the Fourth Proportional to 892,843.84, 1,232,133.45 and 484,953.66

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Solution

The fourth proportional to 892,843.84, 1,232,133.45 and 484,953.66 is: 669,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,843.84 : 1,232,133.45 = 484,953.66 : x
  2. Step 2: Convert to fraction form
    892,843.84/1,232,133.45 = 484,953.66/x
  3. Step 3: Cross multiply
    892,843.84x = 1,232,133.45 × 484,953.66
  4. Step 4: Simplify right side
    892,843.84x = 597,527,626,185.93
  5. Step 5: Solve for x
    x = 597,527,626,185.93/892,843.84
  6. Step 6: Final answer
    x = 669,240.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.