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Finding the Fourth Proportional to 358,536.54, 494,776.44 and 197,388.26

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Solution

The fourth proportional to 358,536.54, 494,776.44 and 197,388.26 is: 272,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,536.54 : 494,776.44 = 197,388.26 : x
  2. Step 2: Convert to fraction form
    358,536.54/494,776.44 = 197,388.26/x
  3. Step 3: Cross multiply
    358,536.54x = 494,776.44 × 197,388.26
  4. Step 4: Simplify right side
    358,536.54x = 97,663,058,106.71
  5. Step 5: Solve for x
    x = 97,663,058,106.71/358,536.54
  6. Step 6: Final answer
    x = 272,393.60

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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.