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Finding the Fourth Proportional to 473,480.25, 710,222.21 and 118,493.30

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Solution

The fourth proportional to 473,480.25, 710,222.21 and 118,493.30 is: 177,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,480.25 : 710,222.21 = 118,493.30 : x
  2. Step 2: Convert to fraction form
    473,480.25/710,222.21 = 118,493.30/x
  3. Step 3: Cross multiply
    473,480.25x = 710,222.21 × 118,493.30
  4. Step 4: Simplify right side
    473,480.25x = 84,156,569,252.62
  5. Step 5: Solve for x
    x = 84,156,569,252.62/473,480.25
  6. Step 6: Final answer
    x = 177,740.40

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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.