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Finding the Fourth Proportional to 330,312.93, 495,488.22 and 93,637

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Solution

The fourth proportional to 330,312.93, 495,488.22 and 93,637 is: 140,460.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,312.93 : 495,488.22 = 93,637 : x
  2. Step 2: Convert to fraction form
    330,312.93/495,488.22 = 93,637/x
  3. Step 3: Cross multiply
    330,312.93x = 495,488.22 × 93,637
  4. Step 4: Simplify right side
    330,312.93x = 46,396,030,456.14
  5. Step 5: Solve for x
    x = 46,396,030,456.14/330,312.93
  6. Step 6: Final answer
    x = 140,460.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.