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Finding the Fourth Proportional to 556,044.52, 767,343.08 and 301,396.72

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Solution

The fourth proportional to 556,044.52, 767,343.08 and 301,396.72 is: 415,928.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,044.52 : 767,343.08 = 301,396.72 : x
  2. Step 2: Convert to fraction form
    556,044.52/767,343.08 = 301,396.72/x
  3. Step 3: Cross multiply
    556,044.52x = 767,343.08 × 301,396.72
  4. Step 4: Simplify right side
    556,044.52x = 231,274,687,426.70
  5. Step 5: Solve for x
    x = 231,274,687,426.70/556,044.52
  6. Step 6: Final answer
    x = 415,928.36

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.