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Finding the Fourth Proportional to 323,166.28, 484,970.86 and 112,804.20

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Solution

The fourth proportional to 323,166.28, 484,970.86 and 112,804.20 is: 169,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,166.28 : 484,970.86 = 112,804.20 : x
  2. Step 2: Convert to fraction form
    323,166.28/484,970.86 = 112,804.20/x
  3. Step 3: Cross multiply
    323,166.28x = 484,970.86 × 112,804.20
  4. Step 4: Simplify right side
    323,166.28x = 54,706,749,885.61
  5. Step 5: Solve for x
    x = 54,706,749,885.61/323,166.28
  6. Step 6: Final answer
    x = 169,283.60

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1.5x scale

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.