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Finding the Fourth Proportional to 416,797.28, 575,176.63 and 225,810.21

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Solution

The fourth proportional to 416,797.28, 575,176.63 and 225,810.21 is: 311,616.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,797.28 : 575,176.63 = 225,810.21 : x
  2. Step 2: Convert to fraction form
    416,797.28/575,176.63 = 225,810.21/x
  3. Step 3: Cross multiply
    416,797.28x = 575,176.63 × 225,810.21
  4. Step 4: Simplify right side
    416,797.28x = 129,880,754,478.34
  5. Step 5: Solve for x
    x = 129,880,754,478.34/416,797.28
  6. Step 6: Final answer
    x = 311,616.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.