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Finding the Fourth Proportional to 754,893, 1,132,339.50 and 193,927.50

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Solution

The fourth proportional to 754,893, 1,132,339.50 and 193,927.50 is: 290,891.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,893 : 1,132,339.50 = 193,927.50 : x
  2. Step 2: Convert to fraction form
    754,893/1,132,339.50 = 193,927.50/x
  3. Step 3: Cross multiply
    754,893x = 1,132,339.50 × 193,927.50
  4. Step 4: Simplify right side
    754,893x = 219,591,768,386.25
  5. Step 5: Solve for x
    x = 219,591,768,386.25/754,893
  6. Step 6: Final answer
    x = 290,891.25

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Similar ratio
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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.