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Finding the Fourth Proportional to 265,325.10, 397,404.45 and 235,776.30

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Solution

The fourth proportional to 265,325.10, 397,404.45 and 235,776.30 is: 353,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,325.10 : 397,404.45 = 235,776.30 : x
  2. Step 2: Convert to fraction form
    265,325.10/397,404.45 = 235,776.30/x
  3. Step 3: Cross multiply
    265,325.10x = 397,404.45 × 235,776.30
  4. Step 4: Simplify right side
    265,325.10x = 93,698,550,824.54
  5. Step 5: Solve for x
    x = 93,698,550,824.54/265,325.10
  6. Step 6: Final answer
    x = 353,146.20

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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.