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Finding the Fourth Proportional to 475,024.66, 712,571.67 and 133,518.47

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Solution

The fourth proportional to 475,024.66, 712,571.67 and 133,518.47 is: 200,287.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,024.66 : 712,571.67 = 133,518.47 : x
  2. Step 2: Convert to fraction form
    475,024.66/712,571.67 = 133,518.47/x
  3. Step 3: Cross multiply
    475,024.66x = 712,571.67 × 133,518.47
  4. Step 4: Simplify right side
    475,024.66x = 95,141,475,580.89
  5. Step 5: Solve for x
    x = 95,141,475,580.89/475,024.66
  6. Step 6: Final answer
    x = 200,287.45

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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.