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Finding the Fourth Proportional to 442,802, 611,005.08 and 251,794.24

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Solution

The fourth proportional to 442,802, 611,005.08 and 251,794.24 is: 347,440.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,802 : 611,005.08 = 251,794.24 : x
  2. Step 2: Convert to fraction form
    442,802/611,005.08 = 251,794.24/x
  3. Step 3: Cross multiply
    442,802x = 611,005.08 × 251,794.24
  4. Step 4: Simplify right side
    442,802x = 153,847,559,754.74
  5. Step 5: Solve for x
    x = 153,847,559,754.74/442,802
  6. Step 6: Final answer
    x = 347,440.98

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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.