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Finding the Fourth Proportional to 356,946.69, 535,247.81 and 207,224.67

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Solution

The fourth proportional to 356,946.69, 535,247.81 and 207,224.67 is: 310,737.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,946.69 : 535,247.81 = 207,224.67 : x
  2. Step 2: Convert to fraction form
    356,946.69/535,247.81 = 207,224.67/x
  3. Step 3: Cross multiply
    356,946.69x = 535,247.81 × 207,224.67
  4. Step 4: Simplify right side
    356,946.69x = 110,916,549,759.35
  5. Step 5: Solve for x
    x = 110,916,549,759.35/356,946.69
  6. Step 6: Final answer
    x = 310,737.02

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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.