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Finding the Fourth Proportional to 593,031.98, 818,380.69 and 321,094.26

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Solution

The fourth proportional to 593,031.98, 818,380.69 and 321,094.26 is: 443,108.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,031.98 : 818,380.69 = 321,094.26 : x
  2. Step 2: Convert to fraction form
    593,031.98/818,380.69 = 321,094.26/x
  3. Step 3: Cross multiply
    593,031.98x = 818,380.69 × 321,094.26
  4. Step 4: Simplify right side
    593,031.98x = 262,777,342,053.84
  5. Step 5: Solve for x
    x = 262,777,342,053.84/593,031.98
  6. Step 6: Final answer
    x = 443,108.21

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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.