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Finding the Fourth Proportional to 298,258.33, 411,603.53 and 169,205.51

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Solution

The fourth proportional to 298,258.33, 411,603.53 and 169,205.51 is: 233,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,258.33 : 411,603.53 = 169,205.51 : x
  2. Step 2: Convert to fraction form
    298,258.33/411,603.53 = 169,205.51/x
  3. Step 3: Cross multiply
    298,258.33x = 411,603.53 × 169,205.51
  4. Step 4: Simplify right side
    298,258.33x = 69,645,586,663.47
  5. Step 5: Solve for x
    x = 69,645,586,663.47/298,258.33
  6. Step 6: Final answer
    x = 233,507.60

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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.