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Finding the Fourth Proportional to 501,515.69, 693,006.64 and 365,311.76

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Solution

The fourth proportional to 501,515.69, 693,006.64 and 365,311.76 is: 504,796.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,515.69 : 693,006.64 = 365,311.76 : x
  2. Step 2: Convert to fraction form
    501,515.69/693,006.64 = 365,311.76/x
  3. Step 3: Cross multiply
    501,515.69x = 693,006.64 × 365,311.76
  4. Step 4: Simplify right side
    501,515.69x = 253,163,471,885.05
  5. Step 5: Solve for x
    x = 253,163,471,885.05/501,515.69
  6. Step 6: Final answer
    x = 504,796.72

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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.