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Finding the Fourth Proportional to 404,809.80, 607,287.60 and 168,176.40

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Solution

The fourth proportional to 404,809.80, 607,287.60 and 168,176.40 is: 252,294.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,809.80 : 607,287.60 = 168,176.40 : x
  2. Step 2: Convert to fraction form
    404,809.80/607,287.60 = 168,176.40/x
  3. Step 3: Cross multiply
    404,809.80x = 607,287.60 × 168,176.40
  4. Step 4: Simplify right side
    404,809.80x = 102,131,442,332.64
  5. Step 5: Solve for x
    x = 102,131,442,332.64/404,809.80
  6. Step 6: Final answer
    x = 252,294.89

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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.