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Finding the Fourth Proportional to 401,414.94, 602,145.09 and 176,880.24

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Solution

The fourth proportional to 401,414.94, 602,145.09 and 176,880.24 is: 265,330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,414.94 : 602,145.09 = 176,880.24 : x
  2. Step 2: Convert to fraction form
    401,414.94/602,145.09 = 176,880.24/x
  3. Step 3: Cross multiply
    401,414.94x = 602,145.09 × 176,880.24
  4. Step 4: Simplify right side
    401,414.94x = 106,507,568,034.02
  5. Step 5: Solve for x
    x = 106,507,568,034.02/401,414.94
  6. Step 6: Final answer
    x = 265,330.35

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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.