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Finding the Fourth Proportional to 627,598.68, 941,376.12 and 201,128.22

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Solution

The fourth proportional to 627,598.68, 941,376.12 and 201,128.22 is: 301,685.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,598.68 : 941,376.12 = 201,128.22 : x
  2. Step 2: Convert to fraction form
    627,598.68/941,376.12 = 201,128.22/x
  3. Step 3: Cross multiply
    627,598.68x = 941,376.12 × 201,128.22
  4. Step 4: Simplify right side
    627,598.68x = 189,337,303,366.11
  5. Step 5: Solve for x
    x = 189,337,303,366.11/627,598.68
  6. Step 6: Final answer
    x = 301,685.31

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1.5x scale

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.