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Finding the Fourth Proportional to 298,807.19, 412,353.93 and 164,671.19

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Solution

The fourth proportional to 298,807.19, 412,353.93 and 164,671.19 is: 227,246.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,807.19 : 412,353.93 = 164,671.19 : x
  2. Step 2: Convert to fraction form
    298,807.19/412,353.93 = 164,671.19/x
  3. Step 3: Cross multiply
    298,807.19x = 412,353.93 × 164,671.19
  4. Step 4: Simplify right side
    298,807.19x = 67,902,812,354.28
  5. Step 5: Solve for x
    x = 67,902,812,354.28/298,807.19
  6. Step 6: Final answer
    x = 227,246.25

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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.