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Finding the Fourth Proportional to 604,254.60, 906,353.10 and 204,856.20

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Solution

The fourth proportional to 604,254.60, 906,353.10 and 204,856.20 is: 307,274.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,254.60 : 906,353.10 = 204,856.20 : x
  2. Step 2: Convert to fraction form
    604,254.60/906,353.10 = 204,856.20/x
  3. Step 3: Cross multiply
    604,254.60x = 906,353.10 × 204,856.20
  4. Step 4: Simplify right side
    604,254.60x = 185,672,051,924.22
  5. Step 5: Solve for x
    x = 185,672,051,924.22/604,254.60
  6. Step 6: Final answer
    x = 307,274.54

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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.