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Finding the Fourth Proportional to 562,540.68, 776,308.19 and 304,417.60

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Solution

The fourth proportional to 562,540.68, 776,308.19 and 304,417.60 is: 420,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,540.68 : 776,308.19 = 304,417.60 : x
  2. Step 2: Convert to fraction form
    562,540.68/776,308.19 = 304,417.60/x
  3. Step 3: Cross multiply
    562,540.68x = 776,308.19 × 304,417.60
  4. Step 4: Simplify right side
    562,540.68x = 236,321,876,821.19
  5. Step 5: Solve for x
    x = 236,321,876,821.19/562,540.68
  6. Step 6: Final answer
    x = 420,097.40

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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.