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Finding the Fourth Proportional to 295,378.28, 407,616.80 and 168,051.16

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Solution

The fourth proportional to 295,378.28, 407,616.80 and 168,051.16 is: 231,907.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,378.28 : 407,616.80 = 168,051.16 : x
  2. Step 2: Convert to fraction form
    295,378.28/407,616.80 = 168,051.16/x
  3. Step 3: Cross multiply
    295,378.28x = 407,616.80 × 168,051.16
  4. Step 4: Simplify right side
    295,378.28x = 68,500,476,075.49
  5. Step 5: Solve for x
    x = 68,500,476,075.49/295,378.28
  6. Step 6: Final answer
    x = 231,907.63

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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.