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Finding the Fourth Proportional to 415,653.04, 623,920.32 and 337,708.24

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Solution

The fourth proportional to 415,653.04, 623,920.32 and 337,708.24 is: 506,920.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,653.04 : 623,920.32 = 337,708.24 : x
  2. Step 2: Convert to fraction form
    415,653.04/623,920.32 = 337,708.24/x
  3. Step 3: Cross multiply
    415,653.04x = 623,920.32 × 337,708.24
  4. Step 4: Simplify right side
    415,653.04x = 210,703,033,167.44
  5. Step 5: Solve for x
    x = 210,703,033,167.44/415,653.04
  6. Step 6: Final answer
    x = 506,920.47

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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.