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Finding the Fourth Proportional to 590,790.65, 886,279.50 and 211,702.95

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Solution

The fourth proportional to 590,790.65, 886,279.50 and 211,702.95 is: 317,587.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,790.65 : 886,279.50 = 211,702.95 : x
  2. Step 2: Convert to fraction form
    590,790.65/886,279.50 = 211,702.95/x
  3. Step 3: Cross multiply
    590,790.65x = 886,279.50 × 211,702.95
  4. Step 4: Simplify right side
    590,790.65x = 187,627,984,674.53
  5. Step 5: Solve for x
    x = 187,627,984,674.53/590,790.65
  6. Step 6: Final answer
    x = 317,587.94

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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.