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Finding the Fourth Proportional to 601,500.60, 830,039.02 and 343,367.30

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Solution

The fourth proportional to 601,500.60, 830,039.02 and 343,367.30 is: 473,828.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,500.60 : 830,039.02 = 343,367.30 : x
  2. Step 2: Convert to fraction form
    601,500.60/830,039.02 = 343,367.30/x
  3. Step 3: Cross multiply
    601,500.60x = 830,039.02 × 343,367.30
  4. Step 4: Simplify right side
    601,500.60x = 285,008,257,192.05
  5. Step 5: Solve for x
    x = 285,008,257,192.05/601,500.60
  6. Step 6: Final answer
    x = 473,828.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.