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Finding the Fourth Proportional to 2,709,764.07, 4,064,250.42 and 790,159.45

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Solution

The fourth proportional to 2,709,764.07, 4,064,250.42 and 790,159.45 is: 1,185,123.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,764.07 : 4,064,250.42 = 790,159.45 : x
  2. Step 2: Convert to fraction form
    2,709,764.07/4,064,250.42 = 790,159.45/x
  3. Step 3: Cross multiply
    2,709,764.07x = 4,064,250.42 × 790,159.45
  4. Step 4: Simplify right side
    2,709,764.07x = 3,211,405,866,368.84
  5. Step 5: Solve for x
    x = 3,211,405,866,368.84/2,709,764.07
  6. Step 6: Final answer
    x = 1,185,123.79

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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.