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Finding the Fourth Proportional to 356,730.44, 534,813.37 and 176,688.40

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Solution

The fourth proportional to 356,730.44, 534,813.37 and 176,688.40 is: 264,892.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,730.44 : 534,813.37 = 176,688.40 : x
  2. Step 2: Convert to fraction form
    356,730.44/534,813.37 = 176,688.40/x
  3. Step 3: Cross multiply
    356,730.44x = 534,813.37 × 176,688.40
  4. Step 4: Simplify right side
    356,730.44x = 94,495,318,202.19
  5. Step 5: Solve for x
    x = 94,495,318,202.19/356,730.44
  6. Step 6: Final answer
    x = 264,892.78

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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.