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Finding the Fourth Proportional to 364,157.51, 502,539.53 and 211,286.74

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Solution

The fourth proportional to 364,157.51, 502,539.53 and 211,286.74 is: 291,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,157.51 : 502,539.53 = 211,286.74 : x
  2. Step 2: Convert to fraction form
    364,157.51/502,539.53 = 211,286.74/x
  3. Step 3: Cross multiply
    364,157.51x = 502,539.53 × 211,286.74
  4. Step 4: Simplify right side
    364,157.51x = 106,179,939,014.83
  5. Step 5: Solve for x
    x = 106,179,939,014.83/364,157.51
  6. Step 6: Final answer
    x = 291,576.96

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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.