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Finding the Fourth Proportional to 606,455.90, 909,417.38 and 227,110.58

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Solution

The fourth proportional to 606,455.90, 909,417.38 and 227,110.58 is: 340,566.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,455.90 : 909,417.38 = 227,110.58 : x
  2. Step 2: Convert to fraction form
    606,455.90/909,417.38 = 227,110.58/x
  3. Step 3: Cross multiply
    606,455.90x = 909,417.38 × 227,110.58
  4. Step 4: Simplify right side
    606,455.90x = 206,538,302,951.24
  5. Step 5: Solve for x
    x = 206,538,302,951.24/606,455.90
  6. Step 6: Final answer
    x = 340,566.07

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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.