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Finding the Fourth Proportional to 358,762.35, 495,086.00 and 197,632.47

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Solution

The fourth proportional to 358,762.35, 495,086.00 and 197,632.47 is: 272,729.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,762.35 : 495,086.00 = 197,632.47 : x
  2. Step 2: Convert to fraction form
    358,762.35/495,086.00 = 197,632.47/x
  3. Step 3: Cross multiply
    358,762.35x = 495,086.00 × 197,632.47
  4. Step 4: Simplify right side
    358,762.35x = 97,845,068,054.26
  5. Step 5: Solve for x
    x = 97,845,068,054.26/358,762.35
  6. Step 6: Final answer
    x = 272,729.48

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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.