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Finding the Fourth Proportional to 777,159.16, 1,164,051.41 and 376,958.81

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Solution

The fourth proportional to 777,159.16, 1,164,051.41 and 376,958.81 is: 564,619.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,159.16 : 1,164,051.41 = 376,958.81 : x
  2. Step 2: Convert to fraction form
    777,159.16/1,164,051.41 = 376,958.81/x
  3. Step 3: Cross multiply
    777,159.16x = 1,164,051.41 × 376,958.81
  4. Step 4: Simplify right side
    777,159.16x = 438,799,435,317.76
  5. Step 5: Solve for x
    x = 438,799,435,317.76/777,159.16
  6. Step 6: Final answer
    x = 564,619.78

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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.