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Finding the Fourth Proportional to 404,585.80, 607,097.40 and 179,980.90

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Solution

The fourth proportional to 404,585.80, 607,097.40 and 179,980.90 is: 270,068.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,585.80 : 607,097.40 = 179,980.90 : x
  2. Step 2: Convert to fraction form
    404,585.80/607,097.40 = 179,980.90/x
  3. Step 3: Cross multiply
    404,585.80x = 607,097.40 × 179,980.90
  4. Step 4: Simplify right side
    404,585.80x = 109,265,936,439.66
  5. Step 5: Solve for x
    x = 109,265,936,439.66/404,585.80
  6. Step 6: Final answer
    x = 270,068.64

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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.