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Finding the Fourth Proportional to 593,095.38, 818,472 and 321,165.42

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Solution

The fourth proportional to 593,095.38, 818,472 and 321,165.42 is: 443,208.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,095.38 : 818,472 = 321,165.42 : x
  2. Step 2: Convert to fraction form
    593,095.38/818,472 = 321,165.42/x
  3. Step 3: Cross multiply
    593,095.38x = 818,472 × 321,165.42
  4. Step 4: Simplify right side
    593,095.38x = 262,864,903,638.24
  5. Step 5: Solve for x
    x = 262,864,903,638.24/593,095.38
  6. Step 6: Final answer
    x = 443,208.48

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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.