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Finding the Fourth Proportional to 360,483.71, 497,470.77 and 199,349.69

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Solution

The fourth proportional to 360,483.71, 497,470.77 and 199,349.69 is: 275,104.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,483.71 : 497,470.77 = 199,349.69 : x
  2. Step 2: Convert to fraction form
    360,483.71/497,470.77 = 199,349.69/x
  3. Step 3: Cross multiply
    360,483.71x = 497,470.77 × 199,349.69
  4. Step 4: Simplify right side
    360,483.71x = 99,170,642,786.81
  5. Step 5: Solve for x
    x = 99,170,642,786.81/360,483.71
  6. Step 6: Final answer
    x = 275,104.37

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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.