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Finding the Fourth Proportional to 492,106.80, 679,107.38 and 265,752.28

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Solution

The fourth proportional to 492,106.80, 679,107.38 and 265,752.28 is: 366,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,106.80 : 679,107.38 = 265,752.28 : x
  2. Step 2: Convert to fraction form
    492,106.80/679,107.38 = 265,752.28/x
  3. Step 3: Cross multiply
    492,106.80x = 679,107.38 × 265,752.28
  4. Step 4: Simplify right side
    492,106.80x = 180,474,334,599.83
  5. Step 5: Solve for x
    x = 180,474,334,599.83/492,106.80
  6. Step 6: Final answer
    x = 366,738.14

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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.