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Finding the Fourth Proportional to 562,530.87, 776,294.65 and 304,407.79

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Solution

The fourth proportional to 562,530.87, 776,294.65 and 304,407.79 is: 420,083.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,530.87 : 776,294.65 = 304,407.79 : x
  2. Step 2: Convert to fraction form
    562,530.87/776,294.65 = 304,407.79/x
  3. Step 3: Cross multiply
    562,530.87x = 776,294.65 × 304,407.79
  4. Step 4: Simplify right side
    562,530.87x = 236,310,138,034.30
  5. Step 5: Solve for x
    x = 236,310,138,034.30/562,530.87
  6. Step 6: Final answer
    x = 420,083.86

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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.