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Finding the Fourth Proportional to 1,764,636.48, 2,646,899.28 and 970,907.16

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Solution

The fourth proportional to 1,764,636.48, 2,646,899.28 and 970,907.16 is: 1,456,330.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,636.48 : 2,646,899.28 = 970,907.16 : x
  2. Step 2: Convert to fraction form
    1,764,636.48/2,646,899.28 = 970,907.16/x
  3. Step 3: Cross multiply
    1,764,636.48x = 2,646,899.28 × 970,907.16
  4. Step 4: Simplify right side
    1,764,636.48x = 2,569,893,462,750.84
  5. Step 5: Solve for x
    x = 2,569,893,462,750.84/1,764,636.48
  6. Step 6: Final answer
    x = 1,456,330.24

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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.