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Finding the Fourth Proportional to 624,916, 937,533.84 and 181,684

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Solution

The fourth proportional to 624,916, 937,533.84 and 181,684 is: 272,572.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,916 : 937,533.84 = 181,684 : x
  2. Step 2: Convert to fraction form
    624,916/937,533.84 = 181,684/x
  3. Step 3: Cross multiply
    624,916x = 937,533.84 × 181,684
  4. Step 4: Simplify right side
    624,916x = 170,334,898,186.56
  5. Step 5: Solve for x
    x = 170,334,898,186.56/624,916
  6. Step 6: Final answer
    x = 272,572.47

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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.