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Finding the Fourth Proportional to 897,594.92, 1,239,495.92 and 668,068.36

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Solution

The fourth proportional to 897,594.92, 1,239,495.92 and 668,068.36 is: 922,540.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,594.92 : 1,239,495.92 = 668,068.36 : x
  2. Step 2: Convert to fraction form
    897,594.92/1,239,495.92 = 668,068.36/x
  3. Step 3: Cross multiply
    897,594.92x = 1,239,495.92 × 668,068.36
  4. Step 4: Simplify right side
    897,594.92x = 828,068,002,567.27
  5. Step 5: Solve for x
    x = 828,068,002,567.27/897,594.92
  6. Step 6: Final answer
    x = 922,540.88

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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.