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Finding the Fourth Proportional to 312,252.03, 430,910.96 and 169,015.14

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Solution

The fourth proportional to 312,252.03, 430,910.96 and 169,015.14 is: 233,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,252.03 : 430,910.96 = 169,015.14 : x
  2. Step 2: Convert to fraction form
    312,252.03/430,910.96 = 169,015.14/x
  3. Step 3: Cross multiply
    312,252.03x = 430,910.96 × 169,015.14
  4. Step 4: Simplify right side
    312,252.03x = 72,830,475,386.86
  5. Step 5: Solve for x
    x = 72,830,475,386.86/312,252.03
  6. Step 6: Final answer
    x = 233,242.60

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1.5x scale

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.