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Finding the Fourth Proportional to 360,107.63, 496,958.55 and 198,973.06

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Solution

The fourth proportional to 360,107.63, 496,958.55 and 198,973.06 is: 274,588.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,107.63 : 496,958.55 = 198,973.06 : x
  2. Step 2: Convert to fraction form
    360,107.63/496,958.55 = 198,973.06/x
  3. Step 3: Cross multiply
    360,107.63x = 496,958.55 × 198,973.06
  4. Step 4: Simplify right side
    360,107.63x = 98,881,363,386.66
  5. Step 5: Solve for x
    x = 98,881,363,386.66/360,107.63
  6. Step 6: Final answer
    x = 274,588.36

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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.