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Finding the Fourth Proportional to 1,662,211, 2,293,752.46 and 964,437.87

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Solution

The fourth proportional to 1,662,211, 2,293,752.46 and 964,437.87 is: 1,330,866.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,211 : 2,293,752.46 = 964,437.87 : x
  2. Step 2: Convert to fraction form
    1,662,211/2,293,752.46 = 964,437.87/x
  3. Step 3: Cross multiply
    1,662,211x = 2,293,752.46 × 964,437.87
  4. Step 4: Simplify right side
    1,662,211x = 2,212,181,736,829.66
  5. Step 5: Solve for x
    x = 2,212,181,736,829.66/1,662,211
  6. Step 6: Final answer
    x = 1,330,866.98

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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.