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Finding the Fourth Proportional to 352,852.80, 486,928.44 and 191,704.20

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Solution

The fourth proportional to 352,852.80, 486,928.44 and 191,704.20 is: 264,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,852.80 : 486,928.44 = 191,704.20 : x
  2. Step 2: Convert to fraction form
    352,852.80/486,928.44 = 191,704.20/x
  3. Step 3: Cross multiply
    352,852.80x = 486,928.44 × 191,704.20
  4. Step 4: Simplify right side
    352,852.80x = 93,346,227,047.45
  5. Step 5: Solve for x
    x = 93,346,227,047.45/352,852.80
  6. Step 6: Final answer
    x = 264,547.22

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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.