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Finding the Fourth Proportional to 424,734.86, 586,103.90 and 252,643.34

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Solution

The fourth proportional to 424,734.86, 586,103.90 and 252,643.34 is: 348,629.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,734.86 : 586,103.90 = 252,643.34 : x
  2. Step 2: Convert to fraction form
    424,734.86/586,103.90 = 252,643.34/x
  3. Step 3: Cross multiply
    424,734.86x = 586,103.90 × 252,643.34
  4. Step 4: Simplify right side
    424,734.86x = 148,075,246,883.03
  5. Step 5: Solve for x
    x = 148,075,246,883.03/424,734.86
  6. Step 6: Final answer
    x = 348,629.84

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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.