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Finding the Fourth Proportional to 593,616.16, 819,188.40 and 321,685.12

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Solution

The fourth proportional to 593,616.16, 819,188.40 and 321,685.12 is: 443,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,616.16 : 819,188.40 = 321,685.12 : x
  2. Step 2: Convert to fraction form
    593,616.16/819,188.40 = 321,685.12/x
  3. Step 3: Cross multiply
    593,616.16x = 819,188.40 × 321,685.12
  4. Step 4: Simplify right side
    593,616.16x = 263,520,718,756.61
  5. Step 5: Solve for x
    x = 263,520,718,756.61/593,616.16
  6. Step 6: Final answer
    x = 443,924.44

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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.