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Finding the Fourth Proportional to 536,820.14, 740,826.07 and 291,821.40

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Solution

The fourth proportional to 536,820.14, 740,826.07 and 291,821.40 is: 402,721.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,820.14 : 740,826.07 = 291,821.40 : x
  2. Step 2: Convert to fraction form
    536,820.14/740,826.07 = 291,821.40/x
  3. Step 3: Cross multiply
    536,820.14x = 740,826.07 × 291,821.40
  4. Step 4: Simplify right side
    536,820.14x = 216,188,900,174.35
  5. Step 5: Solve for x
    x = 216,188,900,174.35/536,820.14
  6. Step 6: Final answer
    x = 402,721.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.