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Finding the Fourth Proportional to 293,313.30, 439,969.95 and 93,648.30

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Solution

The fourth proportional to 293,313.30, 439,969.95 and 93,648.30 is: 140,472.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,313.30 : 439,969.95 = 93,648.30 : x
  2. Step 2: Convert to fraction form
    293,313.30/439,969.95 = 93,648.30/x
  3. Step 3: Cross multiply
    293,313.30x = 439,969.95 × 93,648.30
  4. Step 4: Simplify right side
    293,313.30x = 41,202,437,868.59
  5. Step 5: Solve for x
    x = 41,202,437,868.59/293,313.30
  6. Step 6: Final answer
    x = 140,472.45

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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.