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Finding the Fourth Proportional to 556,343.70, 767,754.51 and 301,694.82

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Solution

The fourth proportional to 556,343.70, 767,754.51 and 301,694.82 is: 416,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,343.70 : 767,754.51 = 301,694.82 : x
  2. Step 2: Convert to fraction form
    556,343.70/767,754.51 = 301,694.82/x
  3. Step 3: Cross multiply
    556,343.70x = 767,754.51 × 301,694.82
  4. Step 4: Simplify right side
    556,343.70x = 231,627,558,698.64
  5. Step 5: Solve for x
    x = 231,627,558,698.64/556,343.70
  6. Step 6: Final answer
    x = 416,338.96

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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.