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Finding the Fourth Proportional to 363,019.51, 500,928.57 and 201,848.55

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Solution

The fourth proportional to 363,019.51, 500,928.57 and 201,848.55 is: 278,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,019.51 : 500,928.57 = 201,848.55 : x
  2. Step 2: Convert to fraction form
    363,019.51/500,928.57 = 201,848.55/x
  3. Step 3: Cross multiply
    363,019.51x = 500,928.57 × 201,848.55
  4. Step 4: Simplify right side
    363,019.51x = 101,111,705,508.07
  5. Step 5: Solve for x
    x = 101,111,705,508.07/363,019.51
  6. Step 6: Final answer
    x = 278,529.67

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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.