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Finding the Fourth Proportional to 360,854.88, 497,980.68 and 199,721.04

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Solution

The fourth proportional to 360,854.88, 497,980.68 and 199,721.04 is: 275,615.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,854.88 : 497,980.68 = 199,721.04 : x
  2. Step 2: Convert to fraction form
    360,854.88/497,980.68 = 199,721.04/x
  3. Step 3: Cross multiply
    360,854.88x = 497,980.68 × 199,721.04
  4. Step 4: Simplify right side
    360,854.88x = 99,457,219,309.51
  5. Step 5: Solve for x
    x = 99,457,219,309.51/360,854.88
  6. Step 6: Final answer
    x = 275,615.56

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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.