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Finding the Fourth Proportional to 530,680.60, 731,093.70 and 369,258.04

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Solution

The fourth proportional to 530,680.60, 731,093.70 and 369,258.04 is: 508,709.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,680.60 : 731,093.70 = 369,258.04 : x
  2. Step 2: Convert to fraction form
    530,680.60/731,093.70 = 369,258.04/x
  3. Step 3: Cross multiply
    530,680.60x = 731,093.70 × 369,258.04
  4. Step 4: Simplify right side
    530,680.60x = 269,962,226,718.35
  5. Step 5: Solve for x
    x = 269,962,226,718.35/530,680.60
  6. Step 6: Final answer
    x = 508,709.43

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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.