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Finding the Fourth Proportional to 613,370.03, 920,448.71 and 297,654.71

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Solution

The fourth proportional to 613,370.03, 920,448.71 and 297,654.71 is: 446,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,370.03 : 920,448.71 = 297,654.71 : x
  2. Step 2: Convert to fraction form
    613,370.03/920,448.71 = 297,654.71/x
  3. Step 3: Cross multiply
    613,370.03x = 920,448.71 × 297,654.71
  4. Step 4: Simplify right side
    613,370.03x = 273,975,892,356.65
  5. Step 5: Solve for x
    x = 273,975,892,356.65/613,370.03
  6. Step 6: Final answer
    x = 446,673.10

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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.