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Finding the Fourth Proportional to 585,014.26, 877,521.38 and 141,782.26

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Solution

The fourth proportional to 585,014.26, 877,521.38 and 141,782.26 is: 212,673.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,014.26 : 877,521.38 = 141,782.26 : x
  2. Step 2: Convert to fraction form
    585,014.26/877,521.38 = 141,782.26/x
  3. Step 3: Cross multiply
    585,014.26x = 877,521.38 × 141,782.26
  4. Step 4: Simplify right side
    585,014.26x = 124,416,964,454.72
  5. Step 5: Solve for x
    x = 124,416,964,454.72/585,014.26
  6. Step 6: Final answer
    x = 212,673.39

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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.