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Finding the Fourth Proportional to 556,595.96, 768,104.37 and 301,948.97

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Solution

The fourth proportional to 556,595.96, 768,104.37 and 301,948.97 is: 416,690.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,595.96 : 768,104.37 = 301,948.97 : x
  2. Step 2: Convert to fraction form
    556,595.96/768,104.37 = 301,948.97/x
  3. Step 3: Cross multiply
    556,595.96x = 768,104.37 × 301,948.97
  4. Step 4: Simplify right side
    556,595.96x = 231,928,319,533.48
  5. Step 5: Solve for x
    x = 231,928,319,533.48/556,595.96
  6. Step 6: Final answer
    x = 416,690.63

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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.