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Finding the Fourth Proportional to 556,170.12, 767,519.82 and 301,521.92

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Solution

The fourth proportional to 556,170.12, 767,519.82 and 301,521.92 is: 416,102.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,170.12 : 767,519.82 = 301,521.92 : x
  2. Step 2: Convert to fraction form
    556,170.12/767,519.82 = 301,521.92/x
  3. Step 3: Cross multiply
    556,170.12x = 767,519.82 × 301,521.92
  4. Step 4: Simplify right side
    556,170.12x = 231,424,045,926.86
  5. Step 5: Solve for x
    x = 231,424,045,926.86/556,170.12
  6. Step 6: Final answer
    x = 416,102.98

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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.