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Finding the Fourth Proportional to 606,879.90, 910,029.11 and 286,765.38

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Solution

The fourth proportional to 606,879.90, 910,029.11 and 286,765.38 is: 430,010.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,879.90 : 910,029.11 = 286,765.38 : x
  2. Step 2: Convert to fraction form
    606,879.90/910,029.11 = 286,765.38/x
  3. Step 3: Cross multiply
    606,879.90x = 910,029.11 × 286,765.38
  4. Step 4: Simplify right side
    606,879.90x = 260,964,842,106.39
  5. Step 5: Solve for x
    x = 260,964,842,106.39/606,879.90
  6. Step 6: Final answer
    x = 430,010.69

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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.