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Finding the Fourth Proportional to 369,944.82, 554,904.27 and 156,654

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Solution

The fourth proportional to 369,944.82, 554,904.27 and 156,654 is: 234,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,944.82 : 554,904.27 = 156,654 : x
  2. Step 2: Convert to fraction form
    369,944.82/554,904.27 = 156,654/x
  3. Step 3: Cross multiply
    369,944.82x = 554,904.27 × 156,654
  4. Step 4: Simplify right side
    369,944.82x = 86,927,973,512.58
  5. Step 5: Solve for x
    x = 86,927,973,512.58/369,944.82
  6. Step 6: Final answer
    x = 234,975.51

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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.