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Finding the Fourth Proportional to 593,086.35, 818,459.60 and 321,156.39

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Solution

The fourth proportional to 593,086.35, 818,459.60 and 321,156.39 is: 443,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,086.35 : 818,459.60 = 321,156.39 : x
  2. Step 2: Convert to fraction form
    593,086.35/818,459.60 = 321,156.39/x
  3. Step 3: Cross multiply
    593,086.35x = 818,459.60 × 321,156.39
  4. Step 4: Simplify right side
    593,086.35x = 262,853,528,891.06
  5. Step 5: Solve for x
    x = 262,853,528,891.06/593,086.35
  6. Step 6: Final answer
    x = 443,196.05

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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.