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Finding the Fourth Proportional to 471,420, 650,559.60 and 270,332.64

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Solution

The fourth proportional to 471,420, 650,559.60 and 270,332.64 is: 373,059.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,420 : 650,559.60 = 270,332.64 : x
  2. Step 2: Convert to fraction form
    471,420/650,559.60 = 270,332.64/x
  3. Step 3: Cross multiply
    471,420x = 650,559.60 × 270,332.64
  4. Step 4: Simplify right side
    471,420x = 175,867,494,145.34
  5. Step 5: Solve for x
    x = 175,867,494,145.34/471,420
  6. Step 6: Final answer
    x = 373,059.04

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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.