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Finding the Fourth Proportional to 317,445.40, 476,168.10 and 296,450.20

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Solution

The fourth proportional to 317,445.40, 476,168.10 and 296,450.20 is: 444,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,445.40 : 476,168.10 = 296,450.20 : x
  2. Step 2: Convert to fraction form
    317,445.40/476,168.10 = 296,450.20/x
  3. Step 3: Cross multiply
    317,445.40x = 476,168.10 × 296,450.20
  4. Step 4: Simplify right side
    317,445.40x = 141,160,128,478.62
  5. Step 5: Solve for x
    x = 141,160,128,478.62/317,445.40
  6. Step 6: Final answer
    x = 444,675.30

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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.