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Finding the Fourth Proportional to 566,705.10, 850,056.66 and 388,672.41

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Solution

The fourth proportional to 566,705.10, 850,056.66 and 388,672.41 is: 583,007.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,705.10 : 850,056.66 = 388,672.41 : x
  2. Step 2: Convert to fraction form
    566,705.10/850,056.66 = 388,672.41/x
  3. Step 3: Cross multiply
    566,705.10x = 850,056.66 × 388,672.41
  4. Step 4: Simplify right side
    566,705.10x = 330,393,570,678.75
  5. Step 5: Solve for x
    x = 330,393,570,678.75/566,705.10
  6. Step 6: Final answer
    x = 583,007.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.