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Finding the Fourth Proportional to 373,952.70, 560,564.55 and 213,864.30

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Solution

The fourth proportional to 373,952.70, 560,564.55 and 213,864.30 is: 320,587.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,952.70 : 560,564.55 = 213,864.30 : x
  2. Step 2: Convert to fraction form
    373,952.70/560,564.55 = 213,864.30/x
  3. Step 3: Cross multiply
    373,952.70x = 560,564.55 × 213,864.30
  4. Step 4: Simplify right side
    373,952.70x = 119,884,745,090.57
  5. Step 5: Solve for x
    x = 119,884,745,090.57/373,952.70
  6. Step 6: Final answer
    x = 320,587.99

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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.