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Finding the Fourth Proportional to 522,048.60, 781,323.30 and 522,048.60

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Solution

The fourth proportional to 522,048.60, 781,323.30 and 522,048.60 is: 781,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,048.60 : 781,323.30 = 522,048.60 : x
  2. Step 2: Convert to fraction form
    522,048.60/781,323.30 = 522,048.60/x
  3. Step 3: Cross multiply
    522,048.60x = 781,323.30 × 522,048.60
  4. Step 4: Simplify right side
    522,048.60x = 407,888,734,912.38
  5. Step 5: Solve for x
    x = 407,888,734,912.38/522,048.60
  6. Step 6: Final answer
    x = 781,323.30

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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.