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Finding the Fourth Proportional to 413,380.53, 570,527.55 and 252,329.31

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Solution

The fourth proportional to 413,380.53, 570,527.55 and 252,329.31 is: 348,252.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,380.53 : 570,527.55 = 252,329.31 : x
  2. Step 2: Convert to fraction form
    413,380.53/570,527.55 = 252,329.31/x
  3. Step 3: Cross multiply
    413,380.53x = 570,527.55 × 252,329.31
  4. Step 4: Simplify right side
    413,380.53x = 143,960,823,027.49
  5. Step 5: Solve for x
    x = 143,960,823,027.49/413,380.53
  6. Step 6: Final answer
    x = 348,252.55

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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.