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Finding the Fourth Proportional to 356,946.76, 535,247.89 and 207,224.74

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Solution

The fourth proportional to 356,946.76, 535,247.89 and 207,224.74 is: 310,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,946.76 : 535,247.89 = 207,224.74 : x
  2. Step 2: Convert to fraction form
    356,946.76/535,247.89 = 207,224.74/x
  3. Step 3: Cross multiply
    356,946.76x = 535,247.89 × 207,224.74
  4. Step 4: Simplify right side
    356,946.76x = 110,916,604,840.80
  5. Step 5: Solve for x
    x = 110,916,604,840.80/356,946.76
  6. Step 6: Final answer
    x = 310,737.11

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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.