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Finding the Fourth Proportional to 723,520.72, 998,953.40 and 452,002.32

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Solution

The fourth proportional to 723,520.72, 998,953.40 and 452,002.32 is: 624,072.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,520.72 : 998,953.40 = 452,002.32 : x
  2. Step 2: Convert to fraction form
    723,520.72/998,953.40 = 452,002.32/x
  3. Step 3: Cross multiply
    723,520.72x = 998,953.40 × 452,002.32
  4. Step 4: Simplify right side
    723,520.72x = 451,529,254,371.89
  5. Step 5: Solve for x
    x = 451,529,254,371.89/723,520.72
  6. Step 6: Final answer
    x = 624,072.32

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Double scale
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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.