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Finding the Fourth Proportional to 559,410.80, 839,116.20 and 160,075.40

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Solution

The fourth proportional to 559,410.80, 839,116.20 and 160,075.40 is: 240,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,410.80 : 839,116.20 = 160,075.40 : x
  2. Step 2: Convert to fraction form
    559,410.80/839,116.20 = 160,075.40/x
  3. Step 3: Cross multiply
    559,410.80x = 839,116.20 × 160,075.40
  4. Step 4: Simplify right side
    559,410.80x = 134,321,861,361.48
  5. Step 5: Solve for x
    x = 134,321,861,361.48/559,410.80
  6. Step 6: Final answer
    x = 240,113.10

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Similar ratio
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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.