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Finding the Fourth Proportional to 439,673.60, 659,614.38 and 350,055.20

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Solution

The fourth proportional to 439,673.60, 659,614.38 and 350,055.20 is: 525,165.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,673.60 : 659,614.38 = 350,055.20 : x
  2. Step 2: Convert to fraction form
    439,673.60/659,614.38 = 350,055.20/x
  3. Step 3: Cross multiply
    439,673.60x = 659,614.38 × 350,055.20
  4. Step 4: Simplify right side
    439,673.60x = 230,901,443,713.78
  5. Step 5: Solve for x
    x = 230,901,443,713.78/439,673.60
  6. Step 6: Final answer
    x = 525,165.59

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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.