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Finding the Fourth Proportional to 593,373.16, 818,854.22 and 321,442.18

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Solution

The fourth proportional to 593,373.16, 818,854.22 and 321,442.18 is: 443,589.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,373.16 : 818,854.22 = 321,442.18 : x
  2. Step 2: Convert to fraction form
    593,373.16/818,854.22 = 321,442.18/x
  3. Step 3: Cross multiply
    593,373.16x = 818,854.22 × 321,442.18
  4. Step 4: Simplify right side
    593,373.16x = 263,214,281,924.65
  5. Step 5: Solve for x
    x = 263,214,281,924.65/593,373.16
  6. Step 6: Final answer
    x = 443,589.80

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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.