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Finding the Fourth Proportional to 713,018.44, 1,068,807.54 and 446,965.48

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Solution

The fourth proportional to 713,018.44, 1,068,807.54 and 446,965.48 is: 669,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,018.44 : 1,068,807.54 = 446,965.48 : x
  2. Step 2: Convert to fraction form
    713,018.44/1,068,807.54 = 446,965.48/x
  3. Step 3: Cross multiply
    713,018.44x = 1,068,807.54 × 446,965.48
  4. Step 4: Simplify right side
    713,018.44x = 477,720,075,143.72
  5. Step 5: Solve for x
    x = 477,720,075,143.72/713,018.44
  6. Step 6: Final answer
    x = 669,996.80

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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.