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Finding the Fourth Proportional to 556,850.80, 835,276.20 and 201,864.40

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Solution

The fourth proportional to 556,850.80, 835,276.20 and 201,864.40 is: 302,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,850.80 : 835,276.20 = 201,864.40 : x
  2. Step 2: Convert to fraction form
    556,850.80/835,276.20 = 201,864.40/x
  3. Step 3: Cross multiply
    556,850.80x = 835,276.20 × 201,864.40
  4. Step 4: Simplify right side
    556,850.80x = 168,612,528,947.28
  5. Step 5: Solve for x
    x = 168,612,528,947.28/556,850.80
  6. Step 6: Final answer
    x = 302,796.60

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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.