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Finding the Fourth Proportional to 624,741, 937,137.42 and 181,509

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Solution

The fourth proportional to 624,741, 937,137.42 and 181,509 is: 272,271.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,741 : 937,137.42 = 181,509 : x
  2. Step 2: Convert to fraction form
    624,741/937,137.42 = 181,509/x
  3. Step 3: Cross multiply
    624,741x = 937,137.42 × 181,509
  4. Step 4: Simplify right side
    624,741x = 170,098,875,966.78
  5. Step 5: Solve for x
    x = 170,098,875,966.78/624,741
  6. Step 6: Final answer
    x = 272,271.03

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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.