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Finding the Fourth Proportional to 333,378.02, 499,978.20 and 93,478.70

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Solution

The fourth proportional to 333,378.02, 499,978.20 and 93,478.70 is: 140,193.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,378.02 : 499,978.20 = 93,478.70 : x
  2. Step 2: Convert to fraction form
    333,378.02/499,978.20 = 93,478.70/x
  3. Step 3: Cross multiply
    333,378.02x = 499,978.20 × 93,478.70
  4. Step 4: Simplify right side
    333,378.02x = 46,737,312,164.34
  5. Step 5: Solve for x
    x = 46,737,312,164.34/333,378.02
  6. Step 6: Final answer
    x = 140,193.14

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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.