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Finding the Fourth Proportional to 325,510.92, 488,342.52 and 100,859.58

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Solution

The fourth proportional to 325,510.92, 488,342.52 and 100,859.58 is: 151,312.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,510.92 : 488,342.52 = 100,859.58 : x
  2. Step 2: Convert to fraction form
    325,510.92/488,342.52 = 100,859.58/x
  3. Step 3: Cross multiply
    325,510.92x = 488,342.52 × 100,859.58
  4. Step 4: Simplify right side
    325,510.92x = 49,254,021,463.34
  5. Step 5: Solve for x
    x = 49,254,021,463.34/325,510.92
  6. Step 6: Final answer
    x = 151,312.96

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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.