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Finding the Fourth Proportional to 585,015.75, 877,523.64 and 141,783.75

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Solution

The fourth proportional to 585,015.75, 877,523.64 and 141,783.75 is: 212,675.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,015.75 : 877,523.64 = 141,783.75 : x
  2. Step 2: Convert to fraction form
    585,015.75/877,523.64 = 141,783.75/x
  3. Step 3: Cross multiply
    585,015.75x = 877,523.64 × 141,783.75
  4. Step 4: Simplify right side
    585,015.75x = 124,418,592,392.85
  5. Step 5: Solve for x
    x = 124,418,592,392.85/585,015.75
  6. Step 6: Final answer
    x = 212,675.63

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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.