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Finding the Fourth Proportional to 328,785.48, 493,061.58 and 118,366.92

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Solution

The fourth proportional to 328,785.48, 493,061.58 and 118,366.92 is: 177,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,785.48 : 493,061.58 = 118,366.92 : x
  2. Step 2: Convert to fraction form
    328,785.48/493,061.58 = 118,366.92/x
  3. Step 3: Cross multiply
    328,785.48x = 493,061.58 × 118,366.92
  4. Step 4: Simplify right side
    328,785.48x = 58,362,180,594.93
  5. Step 5: Solve for x
    x = 58,362,180,594.93/328,785.48
  6. Step 6: Final answer
    x = 177,508.39

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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.