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Finding the Fourth Proportional to 611,773.14, 916,624.10 and 374,620.52

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Solution

The fourth proportional to 611,773.14, 916,624.10 and 374,620.52 is: 561,296.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,773.14 : 916,624.10 = 374,620.52 : x
  2. Step 2: Convert to fraction form
    611,773.14/916,624.10 = 374,620.52/x
  3. Step 3: Cross multiply
    611,773.14x = 916,624.10 × 374,620.52
  4. Step 4: Simplify right side
    611,773.14x = 343,386,196,986.53
  5. Step 5: Solve for x
    x = 343,386,196,986.53/611,773.14
  6. Step 6: Final answer
    x = 561,296.62

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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.