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Finding the Fourth Proportional to 531,695.40, 796,814.10 and 341,572.20

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Solution

The fourth proportional to 531,695.40, 796,814.10 and 341,572.20 is: 511,889.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,695.40 : 796,814.10 = 341,572.20 : x
  2. Step 2: Convert to fraction form
    531,695.40/796,814.10 = 341,572.20/x
  3. Step 3: Cross multiply
    531,695.40x = 796,814.10 × 341,572.20
  4. Step 4: Simplify right side
    531,695.40x = 272,169,545,128.02
  5. Step 5: Solve for x
    x = 272,169,545,128.02/531,695.40
  6. Step 6: Final answer
    x = 511,889.98

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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.