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Finding the Fourth Proportional to 524,487.31, 788,230.31 and 488,947.34

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Solution

The fourth proportional to 524,487.31, 788,230.31 and 488,947.34 is: 734,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,487.31 : 788,230.31 = 488,947.34 : x
  2. Step 2: Convert to fraction form
    524,487.31/788,230.31 = 488,947.34/x
  3. Step 3: Cross multiply
    524,487.31x = 788,230.31 × 488,947.34
  4. Step 4: Simplify right side
    524,487.31x = 385,403,112,907.72
  5. Step 5: Solve for x
    x = 385,403,112,907.72/524,487.31
  6. Step 6: Final answer
    x = 734,818.76

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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.