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Finding the Fourth Proportional to 675,009.20, 1,012,525.80 and 201,700.40

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Solution

The fourth proportional to 675,009.20, 1,012,525.80 and 201,700.40 is: 302,554.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,009.20 : 1,012,525.80 = 201,700.40 : x
  2. Step 2: Convert to fraction form
    675,009.20/1,012,525.80 = 201,700.40/x
  3. Step 3: Cross multiply
    675,009.20x = 1,012,525.80 × 201,700.40
  4. Step 4: Simplify right side
    675,009.20x = 204,226,858,870.32
  5. Step 5: Solve for x
    x = 204,226,858,870.32/675,009.20
  6. Step 6: Final answer
    x = 302,554.19

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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.