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Finding the Fourth Proportional to 488,602.92, 673,992.53 and 284,632.35

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Solution

The fourth proportional to 488,602.92, 673,992.53 and 284,632.35 is: 392,629.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,602.92 : 673,992.53 = 284,632.35 : x
  2. Step 2: Convert to fraction form
    488,602.92/673,992.53 = 284,632.35/x
  3. Step 3: Cross multiply
    488,602.92x = 673,992.53 × 284,632.35
  4. Step 4: Simplify right side
    488,602.92x = 191,840,076,273.18
  5. Step 5: Solve for x
    x = 191,840,076,273.18/488,602.92
  6. Step 6: Final answer
    x = 392,629.82

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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.