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Finding the Fourth Proportional to 250,329.83, 375,530.53 and 77,236.23

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Solution

The fourth proportional to 250,329.83, 375,530.53 and 77,236.23 is: 115,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,329.83 : 375,530.53 = 77,236.23 : x
  2. Step 2: Convert to fraction form
    250,329.83/375,530.53 = 77,236.23/x
  3. Step 3: Cross multiply
    250,329.83x = 375,530.53 × 77,236.23
  4. Step 4: Simplify right side
    250,329.83x = 29,004,562,518.61
  5. Step 5: Solve for x
    x = 29,004,562,518.61/250,329.83
  6. Step 6: Final answer
    x = 115,865.39

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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.