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Finding the Fourth Proportional to 314,745.04, 434,347.47 and 171,504.75

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Solution

The fourth proportional to 314,745.04, 434,347.47 and 171,504.75 is: 236,676.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,745.04 : 434,347.47 = 171,504.75 : x
  2. Step 2: Convert to fraction form
    314,745.04/434,347.47 = 171,504.75/x
  3. Step 3: Cross multiply
    314,745.04x = 434,347.47 × 171,504.75
  4. Step 4: Simplify right side
    314,745.04x = 74,492,654,255.48
  5. Step 5: Solve for x
    x = 74,492,654,255.48/314,745.04
  6. Step 6: Final answer
    x = 236,676.18

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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.