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Finding the Fourth Proportional to 255,707.70, 382,994.06 and 165,460.23

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Solution

The fourth proportional to 255,707.70, 382,994.06 and 165,460.23 is: 247,823.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,707.70 : 382,994.06 = 165,460.23 : x
  2. Step 2: Convert to fraction form
    255,707.70/382,994.06 = 165,460.23/x
  3. Step 3: Cross multiply
    255,707.70x = 382,994.06 × 165,460.23
  4. Step 4: Simplify right side
    255,707.70x = 63,370,284,428.93
  5. Step 5: Solve for x
    x = 63,370,284,428.93/255,707.70
  6. Step 6: Final answer
    x = 247,823.14

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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.