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Finding the Fourth Proportional to 488,042.92, 673,026.05 and 380,573.74

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Solution

The fourth proportional to 488,042.92, 673,026.05 and 380,573.74 is: 524,822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,042.92 : 673,026.05 = 380,573.74 : x
  2. Step 2: Convert to fraction form
    488,042.92/673,026.05 = 380,573.74/x
  3. Step 3: Cross multiply
    488,042.92x = 673,026.05 × 380,573.74
  4. Step 4: Simplify right side
    488,042.92x = 256,136,035,697.93
  5. Step 5: Solve for x
    x = 256,136,035,697.93/488,042.92
  6. Step 6: Final answer
    x = 524,822.77

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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.