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Finding the Fourth Proportional to 436,309.73, 601,611.01 and 307,206.94

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Solution

The fourth proportional to 436,309.73, 601,611.01 and 307,206.94 is: 423,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,309.73 : 601,611.01 = 307,206.94 : x
  2. Step 2: Convert to fraction form
    436,309.73/601,611.01 = 307,206.94/x
  3. Step 3: Cross multiply
    436,309.73x = 601,611.01 × 307,206.94
  4. Step 4: Simplify right side
    436,309.73x = 184,819,077,452.41
  5. Step 5: Solve for x
    x = 184,819,077,452.41/436,309.73
  6. Step 6: Final answer
    x = 423,596.05

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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.