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Finding the Fourth Proportional to 451,703.80, 677,555.70 and 152,084.80

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Solution

The fourth proportional to 451,703.80, 677,555.70 and 152,084.80 is: 228,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,703.80 : 677,555.70 = 152,084.80 : x
  2. Step 2: Convert to fraction form
    451,703.80/677,555.70 = 152,084.80/x
  3. Step 3: Cross multiply
    451,703.80x = 677,555.70 × 152,084.80
  4. Step 4: Simplify right side
    451,703.80x = 103,045,923,123.36
  5. Step 5: Solve for x
    x = 103,045,923,123.36/451,703.80
  6. Step 6: Final answer
    x = 228,127.20

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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.