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Finding the Fourth Proportional to 265,592.01, 398,486.44 and 123,513.56

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Solution

The fourth proportional to 265,592.01, 398,486.44 and 123,513.56 is: 185,316.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,592.01 : 398,486.44 = 123,513.56 : x
  2. Step 2: Convert to fraction form
    265,592.01/398,486.44 = 123,513.56/x
  3. Step 3: Cross multiply
    265,592.01x = 398,486.44 × 123,513.56
  4. Step 4: Simplify right side
    265,592.01x = 49,218,477,777.65
  5. Step 5: Solve for x
    x = 49,218,477,777.65/265,592.01
  6. Step 6: Final answer
    x = 185,316.11

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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.