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Finding the Fourth Proportional to 590,678.35, 886,490.46 and 306,450.36

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Solution

The fourth proportional to 590,678.35, 886,490.46 and 306,450.36 is: 459,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,678.35 : 886,490.46 = 306,450.36 : x
  2. Step 2: Convert to fraction form
    590,678.35/886,490.46 = 306,450.36/x
  3. Step 3: Cross multiply
    590,678.35x = 886,490.46 × 306,450.36
  4. Step 4: Simplify right side
    590,678.35x = 271,665,323,585.92
  5. Step 5: Solve for x
    x = 271,665,323,585.92/590,678.35
  6. Step 6: Final answer
    x = 459,920.91

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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.