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Finding the Fourth Proportional to 413,491.16, 570,679.52 and 252,439.58

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Solution

The fourth proportional to 413,491.16, 570,679.52 and 252,439.58 is: 348,404.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,491.16 : 570,679.52 = 252,439.58 : x
  2. Step 2: Convert to fraction form
    413,491.16/570,679.52 = 252,439.58/x
  3. Step 3: Cross multiply
    413,491.16x = 570,679.52 × 252,439.58
  4. Step 4: Simplify right side
    413,491.16x = 144,062,094,227.81
  5. Step 5: Solve for x
    x = 144,062,094,227.81/413,491.16
  6. Step 6: Final answer
    x = 348,404.29

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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.