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Finding the Fourth Proportional to 713,019.96, 1,068,810.27 and 446,967.30

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Solution

The fourth proportional to 713,019.96, 1,068,810.27 and 446,967.30 is: 669,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,019.96 : 1,068,810.27 = 446,967.30 : x
  2. Step 2: Convert to fraction form
    713,019.96/1,068,810.27 = 446,967.30/x
  3. Step 3: Cross multiply
    713,019.96x = 1,068,810.27 × 446,967.30
  4. Step 4: Simplify right side
    713,019.96x = 477,723,240,594.17
  5. Step 5: Solve for x
    x = 477,723,240,594.17/713,019.96
  6. Step 6: Final answer
    x = 669,999.81

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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.