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Finding the Fourth Proportional to 324,616.95, 489,141.19 and 266,748.93

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Solution

The fourth proportional to 324,616.95, 489,141.19 and 266,748.93 is: 401,944.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,616.95 : 489,141.19 = 266,748.93 : x
  2. Step 2: Convert to fraction form
    324,616.95/489,141.19 = 266,748.93/x
  3. Step 3: Cross multiply
    324,616.95x = 489,141.19 × 266,748.93
  4. Step 4: Simplify right side
    324,616.95x = 130,477,887,717.68
  5. Step 5: Solve for x
    x = 130,477,887,717.68/324,616.95
  6. Step 6: Final answer
    x = 401,944.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.