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Finding the Fourth Proportional to 565,050.74, 779,974.72 and 374,125.64

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Solution

The fourth proportional to 565,050.74, 779,974.72 and 374,125.64 is: 516,428.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,050.74 : 779,974.72 = 374,125.64 : x
  2. Step 2: Convert to fraction form
    565,050.74/779,974.72 = 374,125.64/x
  3. Step 3: Cross multiply
    565,050.74x = 779,974.72 × 374,125.64
  4. Step 4: Simplify right side
    565,050.74x = 291,808,536,468.63
  5. Step 5: Solve for x
    x = 291,808,536,468.63/565,050.74
  6. Step 6: Final answer
    x = 516,428.91

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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.