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Finding the Fourth Proportional to 576,962.82, 865,526.13 and 177,636.78

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Solution

The fourth proportional to 576,962.82, 865,526.13 and 177,636.78 is: 266,480.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,962.82 : 865,526.13 = 177,636.78 : x
  2. Step 2: Convert to fraction form
    576,962.82/865,526.13 = 177,636.78/x
  3. Step 3: Cross multiply
    576,962.82x = 865,526.13 × 177,636.78
  4. Step 4: Simplify right side
    576,962.82x = 153,749,274,739.06
  5. Step 5: Solve for x
    x = 153,749,274,739.06/576,962.82
  6. Step 6: Final answer
    x = 266,480.39

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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.