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Finding the Fourth Proportional to 700,863.12, 967,611.29 and 459,566.55

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Solution

The fourth proportional to 700,863.12, 967,611.29 and 459,566.55 is: 634,477.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,863.12 : 967,611.29 = 459,566.55 : x
  2. Step 2: Convert to fraction form
    700,863.12/967,611.29 = 459,566.55/x
  3. Step 3: Cross multiply
    700,863.12x = 967,611.29 × 459,566.55
  4. Step 4: Simplify right side
    700,863.12x = 444,681,779,988.52
  5. Step 5: Solve for x
    x = 444,681,779,988.52/700,863.12
  6. Step 6: Final answer
    x = 634,477.36

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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.