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Finding the Fourth Proportional to 404,290.80, 605,925.90 and 204,666.30

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Solution

The fourth proportional to 404,290.80, 605,925.90 and 204,666.30 is: 306,741.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,290.80 : 605,925.90 = 204,666.30 : x
  2. Step 2: Convert to fraction form
    404,290.80/605,925.90 = 204,666.30/x
  3. Step 3: Cross multiply
    404,290.80x = 605,925.90 × 204,666.30
  4. Step 4: Simplify right side
    404,290.80x = 124,012,612,027.17
  5. Step 5: Solve for x
    x = 124,012,612,027.17/404,290.80
  6. Step 6: Final answer
    x = 306,741.12

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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.