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Finding the Fourth Proportional to 313,703.44, 432,875.62 and 177,708.27

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Solution

The fourth proportional to 313,703.44, 432,875.62 and 177,708.27 is: 245,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,703.44 : 432,875.62 = 177,708.27 : x
  2. Step 2: Convert to fraction form
    313,703.44/432,875.62 = 177,708.27/x
  3. Step 3: Cross multiply
    313,703.44x = 432,875.62 × 177,708.27
  4. Step 4: Simplify right side
    313,703.44x = 76,925,575,966.26
  5. Step 5: Solve for x
    x = 76,925,575,966.26/313,703.44
  6. Step 6: Final answer
    x = 245,217.51

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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.