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Finding the Fourth Proportional to 490,601.20, 736,938.60 and 472,975.60

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Solution

The fourth proportional to 490,601.20, 736,938.60 and 472,975.60 is: 710,462.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,601.20 : 736,938.60 = 472,975.60 : x
  2. Step 2: Convert to fraction form
    490,601.20/736,938.60 = 472,975.60/x
  3. Step 3: Cross multiply
    490,601.20x = 736,938.60 × 472,975.60
  4. Step 4: Simplify right side
    490,601.20x = 348,553,976,498.16
  5. Step 5: Solve for x
    x = 348,553,976,498.16/490,601.20
  6. Step 6: Final answer
    x = 710,462.95

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1.5x scale

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.