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Finding the Fourth Proportional to 439,246.56, 606,160.16 and 238,042.56

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Solution

The fourth proportional to 439,246.56, 606,160.16 and 238,042.56 is: 328,498.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,246.56 : 606,160.16 = 238,042.56 : x
  2. Step 2: Convert to fraction form
    439,246.56/606,160.16 = 238,042.56/x
  3. Step 3: Cross multiply
    439,246.56x = 606,160.16 × 238,042.56
  4. Step 4: Simplify right side
    439,246.56x = 144,291,916,256.41
  5. Step 5: Solve for x
    x = 144,291,916,256.41/439,246.56
  6. Step 6: Final answer
    x = 328,498.68

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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.