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Finding the Fourth Proportional to 413,367.12, 570,405.51 and 252,261.77

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Solution

The fourth proportional to 413,367.12, 570,405.51 and 252,261.77 is: 348,096.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,367.12 : 570,405.51 = 252,261.77 : x
  2. Step 2: Convert to fraction form
    413,367.12/570,405.51 = 252,261.77/x
  3. Step 3: Cross multiply
    413,367.12x = 570,405.51 × 252,261.77
  4. Step 4: Simplify right side
    413,367.12x = 143,891,500,718.33
  5. Step 5: Solve for x
    x = 143,891,500,718.33/413,367.12
  6. Step 6: Final answer
    x = 348,096.14

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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.