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Finding the Fourth Proportional to 329,698.20, 494,547.30 and 93,037.80

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Solution

The fourth proportional to 329,698.20, 494,547.30 and 93,037.80 is: 139,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,698.20 : 494,547.30 = 93,037.80 : x
  2. Step 2: Convert to fraction form
    329,698.20/494,547.30 = 93,037.80/x
  3. Step 3: Cross multiply
    329,698.20x = 494,547.30 × 93,037.80
  4. Step 4: Simplify right side
    329,698.20x = 46,011,592,787.94
  5. Step 5: Solve for x
    x = 46,011,592,787.94/329,698.20
  6. Step 6: Final answer
    x = 139,556.70

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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.