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Finding the Fourth Proportional to 585,093.10, 877,639.65 and 490,614.70

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Solution

The fourth proportional to 585,093.10, 877,639.65 and 490,614.70 is: 735,922.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,093.10 : 877,639.65 = 490,614.70 : x
  2. Step 2: Convert to fraction form
    585,093.10/877,639.65 = 490,614.70/x
  3. Step 3: Cross multiply
    585,093.10x = 877,639.65 × 490,614.70
  4. Step 4: Simplify right side
    585,093.10x = 430,582,913,592.86
  5. Step 5: Solve for x
    x = 430,582,913,592.86/585,093.10
  6. Step 6: Final answer
    x = 735,922.05

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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.