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Finding the Fourth Proportional to 341,554.52, 471,577.74 and 220,987.64

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Solution

The fourth proportional to 341,554.52, 471,577.74 and 220,987.64 is: 305,113.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,554.52 : 471,577.74 = 220,987.64 : x
  2. Step 2: Convert to fraction form
    341,554.52/471,577.74 = 220,987.64/x
  3. Step 3: Cross multiply
    341,554.52x = 471,577.74 × 220,987.64
  4. Step 4: Simplify right side
    341,554.52x = 104,212,851,839.13
  5. Step 5: Solve for x
    x = 104,212,851,839.13/341,554.52
  6. Step 6: Final answer
    x = 305,113.37

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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.