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Finding the Fourth Proportional to 556,599.37, 768,106.91 and 301,950.55

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Solution

The fourth proportional to 556,599.37, 768,106.91 and 301,950.55 is: 416,691.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,599.37 : 768,106.91 = 301,950.55 : x
  2. Step 2: Convert to fraction form
    556,599.37/768,106.91 = 301,950.55/x
  3. Step 3: Cross multiply
    556,599.37x = 768,106.91 × 301,950.55
  4. Step 4: Simplify right side
    556,599.37x = 231,930,304,343.82
  5. Step 5: Solve for x
    x = 231,930,304,343.82/556,599.37
  6. Step 6: Final answer
    x = 416,691.64

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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.