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Finding the Fourth Proportional to 295,725.88, 407,959.46 and 193,707.19

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Solution

The fourth proportional to 295,725.88, 407,959.46 and 193,707.19 is: 267,222.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,725.88 : 407,959.46 = 193,707.19 : x
  2. Step 2: Convert to fraction form
    295,725.88/407,959.46 = 193,707.19/x
  3. Step 3: Cross multiply
    295,725.88x = 407,959.46 × 193,707.19
  4. Step 4: Simplify right side
    295,725.88x = 79,024,678,642.08
  5. Step 5: Solve for x
    x = 79,024,678,642.08/295,725.88
  6. Step 6: Final answer
    x = 267,222.74

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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.