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Finding the Fourth Proportional to 567,343.51, 851,141.43 and 247,547.21

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Solution

The fourth proportional to 567,343.51, 851,141.43 and 247,547.21 is: 371,375.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,343.51 : 851,141.43 = 247,547.21 : x
  2. Step 2: Convert to fraction form
    567,343.51/851,141.43 = 247,547.21/x
  3. Step 3: Cross multiply
    567,343.51x = 851,141.43 × 247,547.21
  4. Step 4: Simplify right side
    567,343.51x = 210,697,686,311.91
  5. Step 5: Solve for x
    x = 210,697,686,311.91/567,343.51
  6. Step 6: Final answer
    x = 371,375.86

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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.