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Finding the Fourth Proportional to 347,073.04, 520,015.42 and 189,412.22

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Solution

The fourth proportional to 347,073.04, 520,015.42 and 189,412.22 is: 283,794.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,073.04 : 520,015.42 = 189,412.22 : x
  2. Step 2: Convert to fraction form
    347,073.04/520,015.42 = 189,412.22/x
  3. Step 3: Cross multiply
    347,073.04x = 520,015.42 × 189,412.22
  4. Step 4: Simplify right side
    347,073.04x = 98,497,275,136.43
  5. Step 5: Solve for x
    x = 98,497,275,136.43/347,073.04
  6. Step 6: Final answer
    x = 283,794.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.