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Finding the Fourth Proportional to 513,858.59, 770,839.67 and 176,854.95

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Solution

The fourth proportional to 513,858.59, 770,839.67 and 176,854.95 is: 265,300.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,858.59 : 770,839.67 = 176,854.95 : x
  2. Step 2: Convert to fraction form
    513,858.59/770,839.67 = 176,854.95/x
  3. Step 3: Cross multiply
    513,858.59x = 770,839.67 × 176,854.95
  4. Step 4: Simplify right side
    513,858.59x = 136,326,811,738.00
  5. Step 5: Solve for x
    x = 136,326,811,738.00/513,858.59
  6. Step 6: Final answer
    x = 265,300.25

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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.