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Finding the Fourth Proportional to 585,010.47, 877,515.71 and 141,778.47

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Solution

The fourth proportional to 585,010.47, 877,515.71 and 141,778.47 is: 212,667.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,010.47 : 877,515.71 = 141,778.47 : x
  2. Step 2: Convert to fraction form
    585,010.47/877,515.71 = 141,778.47/x
  3. Step 3: Cross multiply
    585,010.47x = 877,515.71 × 141,778.47
  4. Step 4: Simplify right side
    585,010.47x = 124,412,834,764.76
  5. Step 5: Solve for x
    x = 124,412,834,764.76/585,010.47
  6. Step 6: Final answer
    x = 212,667.71

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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.