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Finding the Fourth Proportional to 585,014.28, 877,521.36 and 141,782.28

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Solution

The fourth proportional to 585,014.28, 877,521.36 and 141,782.28 is: 212,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,014.28 : 877,521.36 = 141,782.28 : x
  2. Step 2: Convert to fraction form
    585,014.28/877,521.36 = 141,782.28/x
  3. Step 3: Cross multiply
    585,014.28x = 877,521.36 × 141,782.28
  4. Step 4: Simplify right side
    585,014.28x = 124,416,979,169.50
  5. Step 5: Solve for x
    x = 124,416,979,169.50/585,014.28
  6. Step 6: Final answer
    x = 212,673.41

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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.