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Finding the Fourth Proportional to 473,385.84, 710,078.85 and 118,399.89

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Solution

The fourth proportional to 473,385.84, 710,078.85 and 118,399.89 is: 177,599.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,385.84 : 710,078.85 = 118,399.89 : x
  2. Step 2: Convert to fraction form
    473,385.84/710,078.85 = 118,399.89/x
  3. Step 3: Cross multiply
    473,385.84x = 710,078.85 × 118,399.89
  4. Step 4: Simplify right side
    473,385.84x = 84,073,257,731.33
  5. Step 5: Solve for x
    x = 84,073,257,731.33/473,385.84
  6. Step 6: Final answer
    x = 177,599.86

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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.