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Finding the Fourth Proportional to 500,591.48, 750,969.09 and 163,534.28

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Solution

The fourth proportional to 500,591.48, 750,969.09 and 163,534.28 is: 245,328.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,591.48 : 750,969.09 = 163,534.28 : x
  2. Step 2: Convert to fraction form
    500,591.48/750,969.09 = 163,534.28/x
  3. Step 3: Cross multiply
    500,591.48x = 750,969.09 × 163,534.28
  4. Step 4: Simplify right side
    500,591.48x = 122,809,185,680.56
  5. Step 5: Solve for x
    x = 122,809,185,680.56/500,591.48
  6. Step 6: Final answer
    x = 245,328.16

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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.