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Finding the Fourth Proportional to 671,479.83, 926,611.93 and 365,548.39

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Solution

The fourth proportional to 671,479.83, 926,611.93 and 365,548.39 is: 504,440.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,479.83 : 926,611.93 = 365,548.39 : x
  2. Step 2: Convert to fraction form
    671,479.83/926,611.93 = 365,548.39/x
  3. Step 3: Cross multiply
    671,479.83x = 926,611.93 × 365,548.39
  4. Step 4: Simplify right side
    671,479.83x = 338,721,499,166.29
  5. Step 5: Solve for x
    x = 338,721,499,166.29/671,479.83
  6. Step 6: Final answer
    x = 504,440.32

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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.