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Finding the Fourth Proportional to 504,881.74, 756,892.14 and 220,359.55

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Solution

The fourth proportional to 504,881.74, 756,892.14 and 220,359.55 is: 330,351.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,881.74 : 756,892.14 = 220,359.55 : x
  2. Step 2: Convert to fraction form
    504,881.74/756,892.14 = 220,359.55/x
  3. Step 3: Cross multiply
    504,881.74x = 756,892.14 × 220,359.55
  4. Step 4: Simplify right side
    504,881.74x = 166,788,411,368.94
  5. Step 5: Solve for x
    x = 166,788,411,368.94/504,881.74
  6. Step 6: Final answer
    x = 330,351.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.