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Finding the Fourth Proportional to 802,346.15, 1,107,246.44 and 439,762.07

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Solution

The fourth proportional to 802,346.15, 1,107,246.44 and 439,762.07 is: 606,876.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,346.15 : 1,107,246.44 = 439,762.07 : x
  2. Step 2: Convert to fraction form
    802,346.15/1,107,246.44 = 439,762.07/x
  3. Step 3: Cross multiply
    802,346.15x = 1,107,246.44 × 439,762.07
  4. Step 4: Simplify right side
    802,346.15x = 486,924,984,255.72
  5. Step 5: Solve for x
    x = 486,924,984,255.72/802,346.15
  6. Step 6: Final answer
    x = 606,876.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.