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Finding the Fourth Proportional to 364,426.16, 546,846.84 and 291,020.72

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Solution

The fourth proportional to 364,426.16, 546,846.84 and 291,020.72 is: 436,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,426.16 : 546,846.84 = 291,020.72 : x
  2. Step 2: Convert to fraction form
    364,426.16/546,846.84 = 291,020.72/x
  3. Step 3: Cross multiply
    364,426.16x = 546,846.84 × 291,020.72
  4. Step 4: Simplify right side
    364,426.16x = 159,143,761,106.53
  5. Step 5: Solve for x
    x = 159,143,761,106.53/364,426.16
  6. Step 6: Final answer
    x = 436,696.86

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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.