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Finding the Fourth Proportional to 502,503.50, 693,457.50 and 273,062.60

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Solution

The fourth proportional to 502,503.50, 693,457.50 and 273,062.60 is: 376,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,503.50 : 693,457.50 = 273,062.60 : x
  2. Step 2: Convert to fraction form
    502,503.50/693,457.50 = 273,062.60/x
  3. Step 3: Cross multiply
    502,503.50x = 693,457.50 × 273,062.60
  4. Step 4: Simplify right side
    502,503.50x = 189,357,307,939.50
  5. Step 5: Solve for x
    x = 189,357,307,939.50/502,503.50
  6. Step 6: Final answer
    x = 376,827.84

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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.