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Finding the Fourth Proportional to 627,041.16, 864,727.38 and 483,573.96

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Solution

The fourth proportional to 627,041.16, 864,727.38 and 483,573.96 is: 666,877.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,041.16 : 864,727.38 = 483,573.96 : x
  2. Step 2: Convert to fraction form
    627,041.16/864,727.38 = 483,573.96/x
  3. Step 3: Cross multiply
    627,041.16x = 864,727.38 × 483,573.96
  4. Step 4: Simplify right side
    627,041.16x = 418,159,643,467.03
  5. Step 5: Solve for x
    x = 418,159,643,467.03/627,041.16
  6. Step 6: Final answer
    x = 666,877.50

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Why These Related Problems?

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