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Finding the Fourth Proportional to 294,888.57, 442,220.46 and 105,313.53

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Solution

The fourth proportional to 294,888.57, 442,220.46 and 105,313.53 is: 157,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,888.57 : 442,220.46 = 105,313.53 : x
  2. Step 2: Convert to fraction form
    294,888.57/442,220.46 = 105,313.53/x
  3. Step 3: Cross multiply
    294,888.57x = 442,220.46 × 105,313.53
  4. Step 4: Simplify right side
    294,888.57x = 46,571,797,680.82
  5. Step 5: Solve for x
    x = 46,571,797,680.82/294,888.57
  6. Step 6: Final answer
    x = 157,930.16

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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.