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Finding the Fourth Proportional to 723,999.98, 999,153.63 and 452,228.78

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Solution

The fourth proportional to 723,999.98, 999,153.63 and 452,228.78 is: 624,096.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,999.98 : 999,153.63 = 452,228.78 : x
  2. Step 2: Convert to fraction form
    723,999.98/999,153.63 = 452,228.78/x
  3. Step 3: Cross multiply
    723,999.98x = 999,153.63 × 452,228.78
  4. Step 4: Simplify right side
    723,999.98x = 451,846,027,127.47
  5. Step 5: Solve for x
    x = 451,846,027,127.47/723,999.98
  6. Step 6: Final answer
    x = 624,096.74

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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.