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Finding the Fourth Proportional to 464,429.60, 696,644.40 and 164,956.40

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Solution

The fourth proportional to 464,429.60, 696,644.40 and 164,956.40 is: 247,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,429.60 : 696,644.40 = 164,956.40 : x
  2. Step 2: Convert to fraction form
    464,429.60/696,644.40 = 164,956.40/x
  3. Step 3: Cross multiply
    464,429.60x = 696,644.40 × 164,956.40
  4. Step 4: Simplify right side
    464,429.60x = 114,915,952,304.16
  5. Step 5: Solve for x
    x = 114,915,952,304.16/464,429.60
  6. Step 6: Final answer
    x = 247,434.60

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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.