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Finding the Fourth Proportional to 356,663.70, 534,217.95 and 294,455.70

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Solution

The fourth proportional to 356,663.70, 534,217.95 and 294,455.70 is: 441,041.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,663.70 : 534,217.95 = 294,455.70 : x
  2. Step 2: Convert to fraction form
    356,663.70/534,217.95 = 294,455.70/x
  3. Step 3: Cross multiply
    356,663.70x = 534,217.95 × 294,455.70
  4. Step 4: Simplify right side
    356,663.70x = 157,303,520,419.82
  5. Step 5: Solve for x
    x = 157,303,520,419.82/356,663.70
  6. Step 6: Final answer
    x = 441,041.58

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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.