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Finding the Fourth Proportional to 504,086.31, 695,254.95 and 342,669.31

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Solution

The fourth proportional to 504,086.31, 695,254.95 and 342,669.31 is: 472,622.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,086.31 : 695,254.95 = 342,669.31 : x
  2. Step 2: Convert to fraction form
    504,086.31/695,254.95 = 342,669.31/x
  3. Step 3: Cross multiply
    504,086.31x = 695,254.95 × 342,669.31
  4. Step 4: Simplify right side
    504,086.31x = 238,242,532,252.45
  5. Step 5: Solve for x
    x = 238,242,532,252.45/504,086.31
  6. Step 6: Final answer
    x = 472,622.50

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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.