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Finding the Fourth Proportional to 358,374.78, 537,894.88 and 181,006.45

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Solution

The fourth proportional to 358,374.78, 537,894.88 and 181,006.45 is: 271,677.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,374.78 : 537,894.88 = 181,006.45 : x
  2. Step 2: Convert to fraction form
    358,374.78/537,894.88 = 181,006.45/x
  3. Step 3: Cross multiply
    358,374.78x = 537,894.88 × 181,006.45
  4. Step 4: Simplify right side
    358,374.78x = 97,362,440,904.72
  5. Step 5: Solve for x
    x = 97,362,440,904.72/358,374.78
  6. Step 6: Final answer
    x = 271,677.71

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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.