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Finding the Fourth Proportional to 536,813.35, 804,555.27 and 270,428.55

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Solution

The fourth proportional to 536,813.35, 804,555.27 and 270,428.55 is: 405,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,813.35 : 804,555.27 = 270,428.55 : x
  2. Step 2: Convert to fraction form
    536,813.35/804,555.27 = 270,428.55/x
  3. Step 3: Cross multiply
    536,813.35x = 804,555.27 × 270,428.55
  4. Step 4: Simplify right side
    536,813.35x = 217,574,715,060.96
  5. Step 5: Solve for x
    x = 217,574,715,060.96/536,813.35
  6. Step 6: Final answer
    x = 405,307.94

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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.