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Finding the Fourth Proportional to 565,334.20, 847,742.10 and 249,628.60

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Solution

The fourth proportional to 565,334.20, 847,742.10 and 249,628.60 is: 374,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,334.20 : 847,742.10 = 249,628.60 : x
  2. Step 2: Convert to fraction form
    565,334.20/847,742.10 = 249,628.60/x
  3. Step 3: Cross multiply
    565,334.20x = 847,742.10 × 249,628.60
  4. Step 4: Simplify right side
    565,334.20x = 211,620,673,584.06
  5. Step 5: Solve for x
    x = 211,620,673,584.06/565,334.20
  6. Step 6: Final answer
    x = 374,328.45

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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.