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Finding the Fourth Proportional to 1,602,211.76, 2,211,055 and 877,059.94

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Solution

The fourth proportional to 1,602,211.76, 2,211,055 and 877,059.94 is: 1,210,344.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,211.76 : 2,211,055 = 877,059.94 : x
  2. Step 2: Convert to fraction form
    1,602,211.76/2,211,055 = 877,059.94/x
  3. Step 3: Cross multiply
    1,602,211.76x = 2,211,055 × 877,059.94
  4. Step 4: Simplify right side
    1,602,211.76x = 1,939,227,765,636.70
  5. Step 5: Solve for x
    x = 1,939,227,765,636.70/1,602,211.76
  6. Step 6: Final answer
    x = 1,210,344.23

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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.