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Finding the Fourth Proportional to 330,329.95, 495,388.31 and 93,609.07

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Solution

The fourth proportional to 330,329.95, 495,388.31 and 93,609.07 is: 140,383.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,329.95 : 495,388.31 = 93,609.07 : x
  2. Step 2: Convert to fraction form
    330,329.95/495,388.31 = 93,609.07/x
  3. Step 3: Cross multiply
    330,329.95x = 495,388.31 × 93,609.07
  4. Step 4: Simplify right side
    330,329.95x = 46,372,837,281.46
  5. Step 5: Solve for x
    x = 46,372,837,281.46/330,329.95
  6. Step 6: Final answer
    x = 140,383.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.