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Finding the Fourth Proportional to 590,667.20, 886,438.20 and 433,203.20

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Solution

The fourth proportional to 590,667.20, 886,438.20 and 433,203.20 is: 650,125.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,667.20 : 886,438.20 = 433,203.20 : x
  2. Step 2: Convert to fraction form
    590,667.20/886,438.20 = 433,203.20/x
  3. Step 3: Cross multiply
    590,667.20x = 886,438.20 × 433,203.20
  4. Step 4: Simplify right side
    590,667.20x = 384,007,864,842.24
  5. Step 5: Solve for x
    x = 384,007,864,842.24/590,667.20
  6. Step 6: Final answer
    x = 650,125.59

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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.