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Finding the Fourth Proportional to 305,864.90, 458,797.35 and 305,864.90

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Solution

The fourth proportional to 305,864.90, 458,797.35 and 305,864.90 is: 458,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,864.90 : 458,797.35 = 305,864.90 : x
  2. Step 2: Convert to fraction form
    305,864.90/458,797.35 = 305,864.90/x
  3. Step 3: Cross multiply
    305,864.90x = 458,797.35 × 305,864.90
  4. Step 4: Simplify right side
    305,864.90x = 140,330,005,578.02
  5. Step 5: Solve for x
    x = 140,330,005,578.02/305,864.90
  6. Step 6: Final answer
    x = 458,797.35

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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.