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Finding the Fourth Proportional to 624,915, 937,532.34 and 181,683

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Solution

The fourth proportional to 624,915, 937,532.34 and 181,683 is: 272,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,915 : 937,532.34 = 181,683 : x
  2. Step 2: Convert to fraction form
    624,915/937,532.34 = 181,683/x
  3. Step 3: Cross multiply
    624,915x = 937,532.34 × 181,683
  4. Step 4: Simplify right side
    624,915x = 170,333,688,128.22
  5. Step 5: Solve for x
    x = 170,333,688,128.22/624,915
  6. Step 6: Final answer
    x = 272,570.97

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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.