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Finding the Fourth Proportional to 313,482.48, 432,632.58 and 177,540.24

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Solution

The fourth proportional to 313,482.48, 432,632.58 and 177,540.24 is: 245,020.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,482.48 : 432,632.58 = 177,540.24 : x
  2. Step 2: Convert to fraction form
    313,482.48/432,632.58 = 177,540.24/x
  3. Step 3: Cross multiply
    313,482.48x = 432,632.58 × 177,540.24
  4. Step 4: Simplify right side
    313,482.48x = 76,809,692,085.02
  5. Step 5: Solve for x
    x = 76,809,692,085.02/313,482.48
  6. Step 6: Final answer
    x = 245,020.69

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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.