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Finding the Fourth Proportional to 358,536.88, 494,762.09 and 197,360.45

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Solution

The fourth proportional to 358,536.88, 494,762.09 and 197,360.45 is: 272,347.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,536.88 : 494,762.09 = 197,360.45 : x
  2. Step 2: Convert to fraction form
    358,536.88/494,762.09 = 197,360.45/x
  3. Step 3: Cross multiply
    358,536.88x = 494,762.09 × 197,360.45
  4. Step 4: Simplify right side
    358,536.88x = 97,646,468,725.34
  5. Step 5: Solve for x
    x = 97,646,468,725.34/358,536.88
  6. Step 6: Final answer
    x = 272,347.07

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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.