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Finding the Fourth Proportional to 502,330.60, 693,211.62 and 272,884.84

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Solution

The fourth proportional to 502,330.60, 693,211.62 and 272,884.84 is: 376,578.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,330.60 : 693,211.62 = 272,884.84 : x
  2. Step 2: Convert to fraction form
    502,330.60/693,211.62 = 272,884.84/x
  3. Step 3: Cross multiply
    502,330.60x = 693,211.62 × 272,884.84
  4. Step 4: Simplify right side
    502,330.60x = 189,166,942,009.84
  5. Step 5: Solve for x
    x = 189,166,942,009.84/502,330.60
  6. Step 6: Final answer
    x = 376,578.58

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1.5x scale

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.