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Finding the Fourth Proportional to 404,844.80, 607,340.10 and 168,211.40

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Solution

The fourth proportional to 404,844.80, 607,340.10 and 168,211.40 is: 252,347.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,844.80 : 607,340.10 = 168,211.40 : x
  2. Step 2: Convert to fraction form
    404,844.80/607,340.10 = 168,211.40/x
  3. Step 3: Cross multiply
    404,844.80x = 607,340.10 × 168,211.40
  4. Step 4: Simplify right side
    404,844.80x = 102,161,528,497.14
  5. Step 5: Solve for x
    x = 102,161,528,497.14/404,844.80
  6. Step 6: Final answer
    x = 252,347.39

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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.