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Finding the Fourth Proportional to 483,155.69, 724,822.63 and 158,962.01

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Solution

The fourth proportional to 483,155.69, 724,822.63 and 158,962.01 is: 238,472.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,155.69 : 724,822.63 = 158,962.01 : x
  2. Step 2: Convert to fraction form
    483,155.69/724,822.63 = 158,962.01/x
  3. Step 3: Cross multiply
    483,155.69x = 724,822.63 × 158,962.01
  4. Step 4: Simplify right side
    483,155.69x = 115,219,258,136.77
  5. Step 5: Solve for x
    x = 115,219,258,136.77/483,155.69
  6. Step 6: Final answer
    x = 238,472.32

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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.