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Finding the Fourth Proportional to 466,981.20, 700,471.80 and 307,548.90

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Solution

The fourth proportional to 466,981.20, 700,471.80 and 307,548.90 is: 461,323.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,981.20 : 700,471.80 = 307,548.90 : x
  2. Step 2: Convert to fraction form
    466,981.20/700,471.80 = 307,548.90/x
  3. Step 3: Cross multiply
    466,981.20x = 700,471.80 × 307,548.90
  4. Step 4: Simplify right side
    466,981.20x = 215,429,331,571.02
  5. Step 5: Solve for x
    x = 215,429,331,571.02/466,981.20
  6. Step 6: Final answer
    x = 461,323.35

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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.