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Finding the Fourth Proportional to 303,999.30, 456,042.15 and 93,615.30

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Solution

The fourth proportional to 303,999.30, 456,042.15 and 93,615.30 is: 140,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,999.30 : 456,042.15 = 93,615.30 : x
  2. Step 2: Convert to fraction form
    303,999.30/456,042.15 = 93,615.30/x
  3. Step 3: Cross multiply
    303,999.30x = 456,042.15 × 93,615.30
  4. Step 4: Simplify right side
    303,999.30x = 42,692,522,684.90
  5. Step 5: Solve for x
    x = 42,692,522,684.90/303,999.30
  6. Step 6: Final answer
    x = 140,436.25

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1.5x scale

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.