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Finding the Fourth Proportional to 529,806.08, 730,953.46 and 300,338.76

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Solution

The fourth proportional to 529,806.08, 730,953.46 and 300,338.76 is: 414,366.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,806.08 : 730,953.46 = 300,338.76 : x
  2. Step 2: Convert to fraction form
    529,806.08/730,953.46 = 300,338.76/x
  3. Step 3: Cross multiply
    529,806.08x = 730,953.46 × 300,338.76
  4. Step 4: Simplify right side
    529,806.08x = 219,533,655,794.11
  5. Step 5: Solve for x
    x = 219,533,655,794.11/529,806.08
  6. Step 6: Final answer
    x = 414,366.06

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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.