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Finding the Fourth Proportional to 536,815, 740,814.06 and 295,107.76

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Solution

The fourth proportional to 536,815, 740,814.06 and 295,107.76 is: 407,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,815 : 740,814.06 = 295,107.76 : x
  2. Step 2: Convert to fraction form
    536,815/740,814.06 = 295,107.76/x
  3. Step 3: Cross multiply
    536,815x = 740,814.06 × 295,107.76
  4. Step 4: Simplify right side
    536,815x = 218,619,977,823.11
  5. Step 5: Solve for x
    x = 218,619,977,823.11/536,815
  6. Step 6: Final answer
    x = 407,253.85

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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.