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Finding the Fourth Proportional to 504,432.48, 696,081.94 and 283,702.82

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Solution

The fourth proportional to 504,432.48, 696,081.94 and 283,702.82 is: 391,490.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,432.48 : 696,081.94 = 283,702.82 : x
  2. Step 2: Convert to fraction form
    504,432.48/696,081.94 = 283,702.82/x
  3. Step 3: Cross multiply
    504,432.48x = 696,081.94 × 283,702.82
  4. Step 4: Simplify right side
    504,432.48x = 197,480,409,329.07
  5. Step 5: Solve for x
    x = 197,480,409,329.07/504,432.48
  6. Step 6: Final answer
    x = 391,490.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.