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Finding the Fourth Proportional to 562,768.72, 776,735.68 and 381,538.92

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Solution

The fourth proportional to 562,768.72, 776,735.68 and 381,538.92 is: 526,601.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,768.72 : 776,735.68 = 381,538.92 : x
  2. Step 2: Convert to fraction form
    562,768.72/776,735.68 = 381,538.92/x
  3. Step 3: Cross multiply
    562,768.72x = 776,735.68 × 381,538.92
  4. Step 4: Simplify right side
    562,768.72x = 296,354,892,472.67
  5. Step 5: Solve for x
    x = 296,354,892,472.67/562,768.72
  6. Step 6: Final answer
    x = 526,601.57

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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.