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Finding the Fourth Proportional to 404,595.30, 606,374.55 and 360,012.90

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Solution

The fourth proportional to 404,595.30, 606,374.55 and 360,012.90 is: 539,558.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,595.30 : 606,374.55 = 360,012.90 : x
  2. Step 2: Convert to fraction form
    404,595.30/606,374.55 = 360,012.90/x
  3. Step 3: Cross multiply
    404,595.30x = 606,374.55 × 360,012.90
  4. Step 4: Simplify right side
    404,595.30x = 218,302,660,231.70
  5. Step 5: Solve for x
    x = 218,302,660,231.70/404,595.30
  6. Step 6: Final answer
    x = 539,558.07

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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.