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Finding the Fourth Proportional to 358,742.84, 495,087.60 and 197,597.84

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Solution

The fourth proportional to 358,742.84, 495,087.60 and 197,597.84 is: 272,697.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,742.84 : 495,087.60 = 197,597.84 : x
  2. Step 2: Convert to fraction form
    358,742.84/495,087.60 = 197,597.84/x
  3. Step 3: Cross multiply
    358,742.84x = 495,087.60 × 197,597.84
  4. Step 4: Simplify right side
    358,742.84x = 97,828,240,370.78
  5. Step 5: Solve for x
    x = 97,828,240,370.78/358,742.84
  6. Step 6: Final answer
    x = 272,697.40

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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.