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Finding the Fourth Proportional to 650,662.68, 975,666.60 and 271,485.12

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Solution

The fourth proportional to 650,662.68, 975,666.60 and 271,485.12 is: 407,091.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,662.68 : 975,666.60 = 271,485.12 : x
  2. Step 2: Convert to fraction form
    650,662.68/975,666.60 = 271,485.12/x
  3. Step 3: Cross multiply
    650,662.68x = 975,666.60 × 271,485.12
  4. Step 4: Simplify right side
    650,662.68x = 264,878,963,980.99
  5. Step 5: Solve for x
    x = 264,878,963,980.99/650,662.68
  6. Step 6: Final answer
    x = 407,091.07

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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.