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Finding the Fourth Proportional to 301,904.20, 452,856.30 and 124,319.80

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Solution

The fourth proportional to 301,904.20, 452,856.30 and 124,319.80 is: 186,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,904.20 : 452,856.30 = 124,319.80 : x
  2. Step 2: Convert to fraction form
    301,904.20/452,856.30 = 124,319.80/x
  3. Step 3: Cross multiply
    301,904.20x = 452,856.30 × 124,319.80
  4. Step 4: Simplify right side
    301,904.20x = 56,299,004,644.74
  5. Step 5: Solve for x
    x = 56,299,004,644.74/301,904.20
  6. Step 6: Final answer
    x = 186,479.70

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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.