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Finding the Fourth Proportional to 493,334.01, 680,802.57 and 266,979.51

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Solution

The fourth proportional to 493,334.01, 680,802.57 and 266,979.51 is: 368,432.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,334.01 : 680,802.57 = 266,979.51 : x
  2. Step 2: Convert to fraction form
    493,334.01/680,802.57 = 266,979.51/x
  3. Step 3: Cross multiply
    493,334.01x = 680,802.57 × 266,979.51
  4. Step 4: Simplify right side
    493,334.01x = 181,760,336,545.34
  5. Step 5: Solve for x
    x = 181,760,336,545.34/493,334.01
  6. Step 6: Final answer
    x = 368,432.61

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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.