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Finding the Fourth Proportional to 523,350.40, 785,025.60 and 484,859.20

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Solution

The fourth proportional to 523,350.40, 785,025.60 and 484,859.20 is: 727,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,350.40 : 785,025.60 = 484,859.20 : x
  2. Step 2: Convert to fraction form
    523,350.40/785,025.60 = 484,859.20/x
  3. Step 3: Cross multiply
    523,350.40x = 785,025.60 × 484,859.20
  4. Step 4: Simplify right side
    523,350.40x = 380,626,884,395.52
  5. Step 5: Solve for x
    x = 380,626,884,395.52/523,350.40
  6. Step 6: Final answer
    x = 727,288.80

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Similar ratio
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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.