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Finding the Fourth Proportional to 592,580.26, 816,988.71 and 377,641.90

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Solution

The fourth proportional to 592,580.26, 816,988.71 and 377,641.90 is: 520,653.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,580.26 : 816,988.71 = 377,641.90 : x
  2. Step 2: Convert to fraction form
    592,580.26/816,988.71 = 377,641.90/x
  3. Step 3: Cross multiply
    592,580.26x = 816,988.71 × 377,641.90
  4. Step 4: Simplify right side
    592,580.26x = 308,529,168,722.95
  5. Step 5: Solve for x
    x = 308,529,168,722.95/592,580.26
  6. Step 6: Final answer
    x = 520,653.81

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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.