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Finding the Fourth Proportional to 344,307.45, 516,490.94 and 94,989.45

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Solution

The fourth proportional to 344,307.45, 516,490.94 and 94,989.45 is: 142,492.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,307.45 : 516,490.94 = 94,989.45 : x
  2. Step 2: Convert to fraction form
    344,307.45/516,490.94 = 94,989.45/x
  3. Step 3: Cross multiply
    344,307.45x = 516,490.94 × 94,989.45
  4. Step 4: Simplify right side
    344,307.45x = 49,061,190,320.58
  5. Step 5: Solve for x
    x = 49,061,190,320.58/344,307.45
  6. Step 6: Final answer
    x = 142,492.39

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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.