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Finding the Fourth Proportional to 519,373.40, 778,865.70 and 182,283.80

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Solution

The fourth proportional to 519,373.40, 778,865.70 and 182,283.80 is: 273,357.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,373.40 : 778,865.70 = 182,283.80 : x
  2. Step 2: Convert to fraction form
    519,373.40/778,865.70 = 182,283.80/x
  3. Step 3: Cross multiply
    519,373.40x = 778,865.70 × 182,283.80
  4. Step 4: Simplify right side
    519,373.40x = 141,974,599,485.66
  5. Step 5: Solve for x
    x = 141,974,599,485.66/519,373.40
  6. Step 6: Final answer
    x = 273,357.47

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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.