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Finding the Fourth Proportional to 556,945.44, 768,585.33 and 302,296.56

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Solution

The fourth proportional to 556,945.44, 768,585.33 and 302,296.56 is: 417,169.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,945.44 : 768,585.33 = 302,296.56 : x
  2. Step 2: Convert to fraction form
    556,945.44/768,585.33 = 302,296.56/x
  3. Step 3: Cross multiply
    556,945.44x = 768,585.33 × 302,296.56
  4. Step 4: Simplify right side
    556,945.44x = 232,340,701,325.47
  5. Step 5: Solve for x
    x = 232,340,701,325.47/556,945.44
  6. Step 6: Final answer
    x = 417,169.59

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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.