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Finding the Fourth Proportional to 976,838.80, 1,464,820.80 and 377,600.80

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Solution

The fourth proportional to 976,838.80, 1,464,820.80 and 377,600.80 is: 566,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,838.80 : 1,464,820.80 = 377,600.80 : x
  2. Step 2: Convert to fraction form
    976,838.80/1,464,820.80 = 377,600.80/x
  3. Step 3: Cross multiply
    976,838.80x = 1,464,820.80 × 377,600.80
  4. Step 4: Simplify right side
    976,838.80x = 553,117,505,936.64
  5. Step 5: Solve for x
    x = 553,117,505,936.64/976,838.80
  6. Step 6: Final answer
    x = 566,232.12

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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.