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Finding the Fourth Proportional to 536,084.90, 739,763.52 and 294,365.78

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Solution

The fourth proportional to 536,084.90, 739,763.52 and 294,365.78 is: 406,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,084.90 : 739,763.52 = 294,365.78 : x
  2. Step 2: Convert to fraction form
    536,084.90/739,763.52 = 294,365.78/x
  3. Step 3: Cross multiply
    536,084.90x = 739,763.52 × 294,365.78
  4. Step 4: Simplify right side
    536,084.90x = 217,761,065,580.35
  5. Step 5: Solve for x
    x = 217,761,065,580.35/536,084.90
  6. Step 6: Final answer
    x = 406,206.30

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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.