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Finding the Fourth Proportional to 429,716.70, 593,024.52 and 248,485.50

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Solution

The fourth proportional to 429,716.70, 593,024.52 and 248,485.50 is: 342,918.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,716.70 : 593,024.52 = 248,485.50 : x
  2. Step 2: Convert to fraction form
    429,716.70/593,024.52 = 248,485.50/x
  3. Step 3: Cross multiply
    429,716.70x = 593,024.52 × 248,485.50
  4. Step 4: Simplify right side
    429,716.70x = 147,357,994,364.46
  5. Step 5: Solve for x
    x = 147,357,994,364.46/429,716.70
  6. Step 6: Final answer
    x = 342,918.94

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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.