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Finding the Fourth Proportional to 562,853.05, 776,737.70 and 304,730.15

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Solution

The fourth proportional to 562,853.05, 776,737.70 and 304,730.15 is: 420,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,853.05 : 776,737.70 = 304,730.15 : x
  2. Step 2: Convert to fraction form
    562,853.05/776,737.70 = 304,730.15/x
  3. Step 3: Cross multiply
    562,853.05x = 776,737.70 × 304,730.15
  4. Step 4: Simplify right side
    562,853.05x = 236,695,397,650.31
  5. Step 5: Solve for x
    x = 236,695,397,650.31/562,853.05
  6. Step 6: Final answer
    x = 420,527.87

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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.