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Finding the Fourth Proportional to 526,516.44, 726,530.10 and 297,060.32

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Solution

The fourth proportional to 526,516.44, 726,530.10 and 297,060.32 is: 409,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,516.44 : 726,530.10 = 297,060.32 : x
  2. Step 2: Convert to fraction form
    526,516.44/726,530.10 = 297,060.32/x
  3. Step 3: Cross multiply
    526,516.44x = 726,530.10 × 297,060.32
  4. Step 4: Simplify right side
    526,516.44x = 215,823,263,995.63
  5. Step 5: Solve for x
    x = 215,823,263,995.63/526,516.44
  6. Step 6: Final answer
    x = 409,907.93

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Similar ratio
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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.