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Finding the Fourth Proportional to 565,060.14, 779,987.64 and 374,135.04

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Solution

The fourth proportional to 565,060.14, 779,987.64 and 374,135.04 is: 516,441.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,060.14 : 779,987.64 = 374,135.04 : x
  2. Step 2: Convert to fraction form
    565,060.14/779,987.64 = 374,135.04/x
  3. Step 3: Cross multiply
    565,060.14x = 779,987.64 × 374,135.04
  4. Step 4: Simplify right side
    565,060.14x = 291,820,706,890.91
  5. Step 5: Solve for x
    x = 291,820,706,890.91/565,060.14
  6. Step 6: Final answer
    x = 516,441.86

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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.