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Finding the Fourth Proportional to 469,153.44, 647,434.08 and 452,201.76

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Solution

The fourth proportional to 469,153.44, 647,434.08 and 452,201.76 is: 624,040.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,153.44 : 647,434.08 = 452,201.76 : x
  2. Step 2: Convert to fraction form
    469,153.44/647,434.08 = 452,201.76/x
  3. Step 3: Cross multiply
    469,153.44x = 647,434.08 × 452,201.76
  4. Step 4: Simplify right side
    469,153.44x = 292,770,830,459.98
  5. Step 5: Solve for x
    x = 292,770,830,459.98/469,153.44
  6. Step 6: Final answer
    x = 624,040.68

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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.