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Finding the Fourth Proportional to 383,557.33, 575,336.40 and 207,185.77

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Solution

The fourth proportional to 383,557.33, 575,336.40 and 207,185.77 is: 310,778.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,557.33 : 575,336.40 = 207,185.77 : x
  2. Step 2: Convert to fraction form
    383,557.33/575,336.40 = 207,185.77/x
  3. Step 3: Cross multiply
    383,557.33x = 575,336.40 × 207,185.77
  4. Step 4: Simplify right side
    383,557.33x = 119,201,515,043.03
  5. Step 5: Solve for x
    x = 119,201,515,043.03/383,557.33
  6. Step 6: Final answer
    x = 310,778.87

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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.