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Finding the Fourth Proportional to 487,322.88, 730,613.88 and 337,164

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Solution

The fourth proportional to 487,322.88, 730,613.88 and 337,164 is: 505,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,322.88 : 730,613.88 = 337,164 : x
  2. Step 2: Convert to fraction form
    487,322.88/730,613.88 = 337,164/x
  3. Step 3: Cross multiply
    487,322.88x = 730,613.88 × 337,164
  4. Step 4: Simplify right side
    487,322.88x = 246,336,698,236.32
  5. Step 5: Solve for x
    x = 246,336,698,236.32/487,322.88
  6. Step 6: Final answer
    x = 505,489.70

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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.