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Finding the Fourth Proportional to 315,221.84, 473,084.72 and 163,462.04

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Solution

The fourth proportional to 315,221.84, 473,084.72 and 163,462.04 is: 245,323.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,221.84 : 473,084.72 = 163,462.04 : x
  2. Step 2: Convert to fraction form
    315,221.84/473,084.72 = 163,462.04/x
  3. Step 3: Cross multiply
    315,221.84x = 473,084.72 × 163,462.04
  4. Step 4: Simplify right side
    315,221.84x = 77,331,393,424.03
  5. Step 5: Solve for x
    x = 77,331,393,424.03/315,221.84
  6. Step 6: Final answer
    x = 245,323.72

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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.