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Finding the Fourth Proportional to 627,718.12, 941,582.94 and 447,041.32

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Solution

The fourth proportional to 627,718.12, 941,582.94 and 447,041.32 is: 670,566.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,718.12 : 941,582.94 = 447,041.32 : x
  2. Step 2: Convert to fraction form
    627,718.12/941,582.94 = 447,041.32/x
  3. Step 3: Cross multiply
    627,718.12x = 941,582.94 × 447,041.32
  4. Step 4: Simplify right side
    627,718.12x = 420,926,480,387.08
  5. Step 5: Solve for x
    x = 420,926,480,387.08/627,718.12
  6. Step 6: Final answer
    x = 670,566.08

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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.