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Finding the Fourth Proportional to 841,662.78, 1,262,492.01 and 693,322.62

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Solution

The fourth proportional to 841,662.78, 1,262,492.01 and 693,322.62 is: 1,039,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,662.78 : 1,262,492.01 = 693,322.62 : x
  2. Step 2: Convert to fraction form
    841,662.78/1,262,492.01 = 693,322.62/x
  3. Step 3: Cross multiply
    841,662.78x = 1,262,492.01 × 693,322.62
  4. Step 4: Simplify right side
    841,662.78x = 875,314,268,102.27
  5. Step 5: Solve for x
    x = 875,314,268,102.27/841,662.78
  6. Step 6: Final answer
    x = 1,039,982.15

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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.