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Finding the Fourth Proportional to 297,911.19, 411,071.54 and 177,007.71

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Solution

The fourth proportional to 297,911.19, 411,071.54 and 177,007.71 is: 244,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,911.19 : 411,071.54 = 177,007.71 : x
  2. Step 2: Convert to fraction form
    297,911.19/411,071.54 = 177,007.71/x
  3. Step 3: Cross multiply
    297,911.19x = 411,071.54 × 177,007.71
  4. Step 4: Simplify right side
    297,911.19x = 72,762,831,056.53
  5. Step 5: Solve for x
    x = 72,762,831,056.53/297,911.19
  6. Step 6: Final answer
    x = 244,243.36

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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.