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Finding the Fourth Proportional to 593,486.22, 890,230.45 and 144,207.47

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Solution

The fourth proportional to 593,486.22, 890,230.45 and 144,207.47 is: 216,311.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,486.22 : 890,230.45 = 144,207.47 : x
  2. Step 2: Convert to fraction form
    593,486.22/890,230.45 = 144,207.47/x
  3. Step 3: Cross multiply
    593,486.22x = 890,230.45 × 144,207.47
  4. Step 4: Simplify right side
    593,486.22x = 128,377,880,911.46
  5. Step 5: Solve for x
    x = 128,377,880,911.46/593,486.22
  6. Step 6: Final answer
    x = 216,311.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.