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Finding the Fourth Proportional to 1,964,702.22, 2,711,262.03 and 1,105,262.22

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Solution

The fourth proportional to 1,964,702.22, 2,711,262.03 and 1,105,262.22 is: 1,525,246.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,702.22 : 2,711,262.03 = 1,105,262.22 : x
  2. Step 2: Convert to fraction form
    1,964,702.22/2,711,262.03 = 1,105,262.22/x
  3. Step 3: Cross multiply
    1,964,702.22x = 2,711,262.03 × 1,105,262.22
  4. Step 4: Simplify right side
    1,964,702.22x = 2,996,655,490,279.51
  5. Step 5: Solve for x
    x = 2,996,655,490,279.51/1,964,702.22
  6. Step 6: Final answer
    x = 1,525,246.66

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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.