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Finding the Fourth Proportional to 586,963.14, 810,674.37 and 395,647.62

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Solution

The fourth proportional to 586,963.14, 810,674.37 and 395,647.62 is: 546,442.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,963.14 : 810,674.37 = 395,647.62 : x
  2. Step 2: Convert to fraction form
    586,963.14/810,674.37 = 395,647.62/x
  3. Step 3: Cross multiply
    586,963.14x = 810,674.37 × 395,647.62
  4. Step 4: Simplify right side
    586,963.14x = 320,741,385,085.50
  5. Step 5: Solve for x
    x = 320,741,385,085.50/586,963.14
  6. Step 6: Final answer
    x = 546,442.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.