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Finding the Fourth Proportional to 358,799.08, 495,140.32 and 197,650.48

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Solution

The fourth proportional to 358,799.08, 495,140.32 and 197,650.48 is: 272,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,799.08 : 495,140.32 = 197,650.48 : x
  2. Step 2: Convert to fraction form
    358,799.08/495,140.32 = 197,650.48/x
  3. Step 3: Cross multiply
    358,799.08x = 495,140.32 × 197,650.48
  4. Step 4: Simplify right side
    358,799.08x = 97,864,721,915.35
  5. Step 5: Solve for x
    x = 97,864,721,915.35/358,799.08
  6. Step 6: Final answer
    x = 272,756.33

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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.