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Finding the Fourth Proportional to 330,146.45, 495,075.45 and 116,843.46

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Solution

The fourth proportional to 330,146.45, 495,075.45 and 116,843.46 is: 175,214.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,146.45 : 495,075.45 = 116,843.46 : x
  2. Step 2: Convert to fraction form
    330,146.45/495,075.45 = 116,843.46/x
  3. Step 3: Cross multiply
    330,146.45x = 495,075.45 × 116,843.46
  4. Step 4: Simplify right side
    330,146.45x = 57,846,328,539.06
  5. Step 5: Solve for x
    x = 57,846,328,539.06/330,146.45
  6. Step 6: Final answer
    x = 175,214.15

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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.