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Finding the Fourth Proportional to 537,521.52, 741,810.32 and 308,116.96

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Solution

The fourth proportional to 537,521.52, 741,810.32 and 308,116.96 is: 425,218.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,521.52 : 741,810.32 = 308,116.96 : x
  2. Step 2: Convert to fraction form
    537,521.52/741,810.32 = 308,116.96/x
  3. Step 3: Cross multiply
    537,521.52x = 741,810.32 × 308,116.96
  4. Step 4: Simplify right side
    537,521.52x = 228,564,340,695.03
  5. Step 5: Solve for x
    x = 228,564,340,695.03/537,521.52
  6. Step 6: Final answer
    x = 425,218.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.