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Finding the Fourth Proportional to 608,776.12, 839,920.62 and 367,132.60

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Solution

The fourth proportional to 608,776.12, 839,920.62 and 367,132.60 is: 506,528.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,776.12 : 839,920.62 = 367,132.60 : x
  2. Step 2: Convert to fraction form
    608,776.12/839,920.62 = 367,132.60/x
  3. Step 3: Cross multiply
    608,776.12x = 839,920.62 × 367,132.60
  4. Step 4: Simplify right side
    608,776.12x = 308,362,241,014.21
  5. Step 5: Solve for x
    x = 308,362,241,014.21/608,776.12
  6. Step 6: Final answer
    x = 506,528.15

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1.5x scale

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.