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Finding the Fourth Proportional to 271,438.80, 407,417.40 and 232,040.40

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Solution

The fourth proportional to 271,438.80, 407,417.40 and 232,040.40 is: 348,282.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,438.80 : 407,417.40 = 232,040.40 : x
  2. Step 2: Convert to fraction form
    271,438.80/407,417.40 = 232,040.40/x
  3. Step 3: Cross multiply
    271,438.80x = 407,417.40 × 232,040.40
  4. Step 4: Simplify right side
    271,438.80x = 94,537,296,462.96
  5. Step 5: Solve for x
    x = 94,537,296,462.96/271,438.80
  6. Step 6: Final answer
    x = 348,282.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.