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Finding the Fourth Proportional to 295,544.99, 407,854.69 and 168,228.78

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Solution

The fourth proportional to 295,544.99, 407,854.69 and 168,228.78 is: 232,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,544.99 : 407,854.69 = 168,228.78 : x
  2. Step 2: Convert to fraction form
    295,544.99/407,854.69 = 168,228.78/x
  3. Step 3: Cross multiply
    295,544.99x = 407,854.69 × 168,228.78
  4. Step 4: Simplify right side
    295,544.99x = 68,612,896,915.98
  5. Step 5: Solve for x
    x = 68,612,896,915.98/295,544.99
  6. Step 6: Final answer
    x = 232,157.20

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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.