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Finding the Fourth Proportional to 531,699.96, 733,560.66 and 340,818.60

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Solution

The fourth proportional to 531,699.96, 733,560.66 and 340,818.60 is: 470,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,699.96 : 733,560.66 = 340,818.60 : x
  2. Step 2: Convert to fraction form
    531,699.96/733,560.66 = 340,818.60/x
  3. Step 3: Cross multiply
    531,699.96x = 733,560.66 × 340,818.60
  4. Step 4: Simplify right side
    531,699.96x = 250,011,117,156.28
  5. Step 5: Solve for x
    x = 250,011,117,156.28/531,699.96
  6. Step 6: Final answer
    x = 470,210.90

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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.