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Finding the Fourth Proportional to 593,084.85, 818,457.53 and 321,154.89

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Solution

The fourth proportional to 593,084.85, 818,457.53 and 321,154.89 is: 443,193.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,084.85 : 818,457.53 = 321,154.89 : x
  2. Step 2: Convert to fraction form
    593,084.85/818,457.53 = 321,154.89/x
  3. Step 3: Cross multiply
    593,084.85x = 818,457.53 × 321,154.89
  4. Step 4: Simplify right side
    593,084.85x = 262,851,636,411.05
  5. Step 5: Solve for x
    x = 262,851,636,411.05/593,084.85
  6. Step 6: Final answer
    x = 443,193.98

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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.