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Finding the Fourth Proportional to 407,658.93, 562,550.47 and 226,382.45

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Solution

The fourth proportional to 407,658.93, 562,550.47 and 226,382.45 is: 312,397.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,658.93 : 562,550.47 = 226,382.45 : x
  2. Step 2: Convert to fraction form
    407,658.93/562,550.47 = 226,382.45/x
  3. Step 3: Cross multiply
    407,658.93x = 562,550.47 × 226,382.45
  4. Step 4: Simplify right side
    407,658.93x = 127,351,550,268.54
  5. Step 5: Solve for x
    x = 127,351,550,268.54/407,658.93
  6. Step 6: Final answer
    x = 312,397.31

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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.