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Finding the Fourth Proportional to 567,403.61, 851,103.86 and 168,075.50

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Solution

The fourth proportional to 567,403.61, 851,103.86 and 168,075.50 is: 252,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,403.61 : 851,103.86 = 168,075.50 : x
  2. Step 2: Convert to fraction form
    567,403.61/851,103.86 = 168,075.50/x
  3. Step 3: Cross multiply
    567,403.61x = 851,103.86 × 168,075.50
  4. Step 4: Simplify right side
    567,403.61x = 143,049,701,725.53
  5. Step 5: Solve for x
    x = 143,049,701,725.53/567,403.61
  6. Step 6: Final answer
    x = 252,112.78

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Double scale
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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.