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Finding the Fourth Proportional to 533,275.68, 736,105.76 and 307,011.36

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Solution

The fourth proportional to 533,275.68, 736,105.76 and 307,011.36 is: 423,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,275.68 : 736,105.76 = 307,011.36 : x
  2. Step 2: Convert to fraction form
    533,275.68/736,105.76 = 307,011.36/x
  3. Step 3: Cross multiply
    533,275.68x = 736,105.76 × 307,011.36
  4. Step 4: Simplify right side
    533,275.68x = 225,992,830,481.43
  5. Step 5: Solve for x
    x = 225,992,830,481.43/533,275.68
  6. Step 6: Final answer
    x = 423,782.37

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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.