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Finding the Fourth Proportional to 369,224.51, 553,520.86 and 141,683.41

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Solution

The fourth proportional to 369,224.51, 553,520.86 and 141,683.41 is: 212,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,224.51 : 553,520.86 = 141,683.41 : x
  2. Step 2: Convert to fraction form
    369,224.51/553,520.86 = 141,683.41/x
  3. Step 3: Cross multiply
    369,224.51x = 553,520.86 × 141,683.41
  4. Step 4: Simplify right side
    369,224.51x = 78,424,724,845.40
  5. Step 5: Solve for x
    x = 78,424,724,845.40/369,224.51
  6. Step 6: Final answer
    x = 212,403.90

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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.