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Finding the Fourth Proportional to 314,026.44, 433,258.72 and 178,049.71

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Solution

The fourth proportional to 314,026.44, 433,258.72 and 178,049.71 is: 245,653.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,026.44 : 433,258.72 = 178,049.71 : x
  2. Step 2: Convert to fraction form
    314,026.44/433,258.72 = 178,049.71/x
  3. Step 3: Cross multiply
    314,026.44x = 433,258.72 × 178,049.71
  4. Step 4: Simplify right side
    314,026.44x = 77,141,590,548.95
  5. Step 5: Solve for x
    x = 77,141,590,548.95/314,026.44
  6. Step 6: Final answer
    x = 245,653.17

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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.