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Finding the Fourth Proportional to 351,200.70, 526,023.45 and 288,992.70

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Solution

The fourth proportional to 351,200.70, 526,023.45 and 288,992.70 is: 432,849.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,200.70 : 526,023.45 = 288,992.70 : x
  2. Step 2: Convert to fraction form
    351,200.70/526,023.45 = 288,992.70/x
  3. Step 3: Cross multiply
    351,200.70x = 526,023.45 × 288,992.70
  4. Step 4: Simplify right side
    351,200.70x = 152,016,937,078.82
  5. Step 5: Solve for x
    x = 152,016,937,078.82/351,200.70
  6. Step 6: Final answer
    x = 432,849.19

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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.