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Finding the Fourth Proportional to 521,759.38, 782,989.80 and 184,798.84

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Solution

The fourth proportional to 521,759.38, 782,989.80 and 184,798.84 is: 277,322.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,759.38 : 782,989.80 = 184,798.84 : x
  2. Step 2: Convert to fraction form
    521,759.38/782,989.80 = 184,798.84/x
  3. Step 3: Cross multiply
    521,759.38x = 782,989.80 × 184,798.84
  4. Step 4: Simplify right side
    521,759.38x = 144,695,606,771.83
  5. Step 5: Solve for x
    x = 144,695,606,771.83/521,759.38
  6. Step 6: Final answer
    x = 277,322.48

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1.5x scale

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.