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Finding the Fourth Proportional to 436,683.20, 602,300.16 and 300,760.16

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Solution

The fourth proportional to 436,683.20, 602,300.16 and 300,760.16 is: 414,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,683.20 : 602,300.16 = 300,760.16 : x
  2. Step 2: Convert to fraction form
    436,683.20/602,300.16 = 300,760.16/x
  3. Step 3: Cross multiply
    436,683.20x = 602,300.16 × 300,760.16
  4. Step 4: Simplify right side
    436,683.20x = 181,147,892,489.63
  5. Step 5: Solve for x
    x = 181,147,892,489.63/436,683.20
  6. Step 6: Final answer
    x = 414,826.80

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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.