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Finding the Fourth Proportional to 1,979,085.82, 2,968,823.14 and 559,152.94

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Solution

The fourth proportional to 1,979,085.82, 2,968,823.14 and 559,152.94 is: 838,784.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,085.82 : 2,968,823.14 = 559,152.94 : x
  2. Step 2: Convert to fraction form
    1,979,085.82/2,968,823.14 = 559,152.94/x
  3. Step 3: Cross multiply
    1,979,085.82x = 2,968,823.14 × 559,152.94
  4. Step 4: Simplify right side
    1,979,085.82x = 1,660,026,187,071.03
  5. Step 5: Solve for x
    x = 1,660,026,187,071.03/1,979,085.82
  6. Step 6: Final answer
    x = 838,784.34

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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.