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Finding the Fourth Proportional to 500,833.35, 751,251.38 and 145,856.07

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Solution

The fourth proportional to 500,833.35, 751,251.38 and 145,856.07 is: 218,784.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,833.35 : 751,251.38 = 145,856.07 : x
  2. Step 2: Convert to fraction form
    500,833.35/751,251.38 = 145,856.07/x
  3. Step 3: Cross multiply
    500,833.35x = 751,251.38 × 145,856.07
  4. Step 4: Simplify right side
    500,833.35x = 109,574,573,139.60
  5. Step 5: Solve for x
    x = 109,574,573,139.60/500,833.35
  6. Step 6: Final answer
    x = 218,784.50

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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.