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Finding the Fourth Proportional to 301,154.90, 415,628.48 and 180,296.08

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Solution

The fourth proportional to 301,154.90, 415,628.48 and 180,296.08 is: 248,829.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,154.90 : 415,628.48 = 180,296.08 : x
  2. Step 2: Convert to fraction form
    301,154.90/415,628.48 = 180,296.08/x
  3. Step 3: Cross multiply
    301,154.90x = 415,628.48 × 180,296.08
  4. Step 4: Simplify right side
    301,154.90x = 74,936,185,092.03
  5. Step 5: Solve for x
    x = 74,936,185,092.03/301,154.90
  6. Step 6: Final answer
    x = 248,829.38

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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.