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Finding the Fourth Proportional to 358,893.48, 495,267.72 and 205,928.33

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Solution

The fourth proportional to 358,893.48, 495,267.72 and 205,928.33 is: 284,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,893.48 : 495,267.72 = 205,928.33 : x
  2. Step 2: Convert to fraction form
    358,893.48/495,267.72 = 205,928.33/x
  3. Step 3: Cross multiply
    358,893.48x = 495,267.72 × 205,928.33
  4. Step 4: Simplify right side
    358,893.48x = 101,989,651,233.94
  5. Step 5: Solve for x
    x = 101,989,651,233.94/358,893.48
  6. Step 6: Final answer
    x = 284,178.05

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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.