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Finding the Fourth Proportional to 565,500.38, 779,811.99 and 374,444.06

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Solution

The fourth proportional to 565,500.38, 779,811.99 and 374,444.06 is: 516,349.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,500.38 : 779,811.99 = 374,444.06 : x
  2. Step 2: Convert to fraction form
    565,500.38/779,811.99 = 374,444.06/x
  3. Step 3: Cross multiply
    565,500.38x = 779,811.99 × 374,444.06
  4. Step 4: Simplify right side
    565,500.38x = 291,995,967,572.28
  5. Step 5: Solve for x
    x = 291,995,967,572.28/565,500.38
  6. Step 6: Final answer
    x = 516,349.73

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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.