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Finding the Fourth Proportional to 358,880.97, 495,256.70 and 197,735.52

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Solution

The fourth proportional to 358,880.97, 495,256.70 and 197,735.52 is: 272,875.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,880.97 : 495,256.70 = 197,735.52 : x
  2. Step 2: Convert to fraction form
    358,880.97/495,256.70 = 197,735.52/x
  3. Step 3: Cross multiply
    358,880.97x = 495,256.70 × 197,735.52
  4. Step 4: Simplify right side
    358,880.97x = 97,929,841,602.32
  5. Step 5: Solve for x
    x = 97,929,841,602.32/358,880.97
  6. Step 6: Final answer
    x = 272,875.55

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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.