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Finding the Fourth Proportional to 4,294,762.79, 5,926,420.37 and 2,528,380.74

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Solution

The fourth proportional to 4,294,762.79, 5,926,420.37 and 2,528,380.74 is: 3,488,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,294,762.79 : 5,926,420.37 = 2,528,380.74 : x
  2. Step 2: Convert to fraction form
    4,294,762.79/5,926,420.37 = 2,528,380.74/x
  3. Step 3: Cross multiply
    4,294,762.79x = 5,926,420.37 × 2,528,380.74
  4. Step 4: Simplify right side
    4,294,762.79x = 14,984,247,120,651.68
  5. Step 5: Solve for x
    x = 14,984,247,120,651.68/4,294,762.79
  6. Step 6: Final answer
    x = 3,488,958.03

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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.