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Finding the Fourth Proportional to 325,558.20, 488,337.30 and 293,417.40

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Solution

The fourth proportional to 325,558.20, 488,337.30 and 293,417.40 is: 440,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,558.20 : 488,337.30 = 293,417.40 : x
  2. Step 2: Convert to fraction form
    325,558.20/488,337.30 = 293,417.40/x
  3. Step 3: Cross multiply
    325,558.20x = 488,337.30 × 293,417.40
  4. Step 4: Simplify right side
    325,558.20x = 143,286,660,889.02
  5. Step 5: Solve for x
    x = 143,286,660,889.02/325,558.20
  6. Step 6: Final answer
    x = 440,126.10

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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.