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Finding the Fourth Proportional to 476,165.97, 657,117.02 and 261,326.03

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Solution

The fourth proportional to 476,165.97, 657,117.02 and 261,326.03 is: 360,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,165.97 : 657,117.02 = 261,326.03 : x
  2. Step 2: Convert to fraction form
    476,165.97/657,117.02 = 261,326.03/x
  3. Step 3: Cross multiply
    476,165.97x = 657,117.02 × 261,326.03
  4. Step 4: Simplify right side
    476,165.97x = 171,721,779,449.76
  5. Step 5: Solve for x
    x = 171,721,779,449.76/476,165.97
  6. Step 6: Final answer
    x = 360,634.30

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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.