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Finding the Fourth Proportional to 440,948.63, 608,491.48 and 259,668.20

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Solution

The fourth proportional to 440,948.63, 608,491.48 and 259,668.20 is: 358,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,948.63 : 608,491.48 = 259,668.20 : x
  2. Step 2: Convert to fraction form
    440,948.63/608,491.48 = 259,668.20/x
  3. Step 3: Cross multiply
    440,948.63x = 608,491.48 × 259,668.20
  4. Step 4: Simplify right side
    440,948.63x = 158,005,887,326.94
  5. Step 5: Solve for x
    x = 158,005,887,326.94/440,948.63
  6. Step 6: Final answer
    x = 358,331.73

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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.