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Finding the Fourth Proportional to 536,156.25, 739,485.60 and 364,206.76

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Solution

The fourth proportional to 536,156.25, 739,485.60 and 364,206.76 is: 502,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,156.25 : 739,485.60 = 364,206.76 : x
  2. Step 2: Convert to fraction form
    536,156.25/739,485.60 = 364,206.76/x
  3. Step 3: Cross multiply
    536,156.25x = 739,485.60 × 364,206.76
  4. Step 4: Simplify right side
    536,156.25x = 269,325,657,436.44
  5. Step 5: Solve for x
    x = 269,325,657,436.44/536,156.25
  6. Step 6: Final answer
    x = 502,326.81

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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.