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Finding the Fourth Proportional to 243,206.70, 364,032.45 and 173,222.70

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Solution

The fourth proportional to 243,206.70, 364,032.45 and 173,222.70 is: 259,280.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,206.70 : 364,032.45 = 173,222.70 : x
  2. Step 2: Convert to fraction form
    243,206.70/364,032.45 = 173,222.70/x
  3. Step 3: Cross multiply
    243,206.70x = 364,032.45 × 173,222.70
  4. Step 4: Simplify right side
    243,206.70x = 63,058,683,876.62
  5. Step 5: Solve for x
    x = 63,058,683,876.62/243,206.70
  6. Step 6: Final answer
    x = 259,280.21

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1.5x scale

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.