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Finding the Fourth Proportional to 424,734.36, 586,103.21 and 252,642.84

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Solution

The fourth proportional to 424,734.36, 586,103.21 and 252,642.84 is: 348,629.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,734.36 : 586,103.21 = 252,642.84 : x
  2. Step 2: Convert to fraction form
    424,734.36/586,103.21 = 252,642.84/x
  3. Step 3: Cross multiply
    424,734.36x = 586,103.21 × 252,642.84
  4. Step 4: Simplify right side
    424,734.36x = 148,074,779,507.52
  5. Step 5: Solve for x
    x = 148,074,779,507.52/424,734.36
  6. Step 6: Final answer
    x = 348,629.15

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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.