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Finding the Fourth Proportional to 613,191.19, 846,192.48 and 341,256.68

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Solution

The fourth proportional to 613,191.19, 846,192.48 and 341,256.68 is: 470,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,191.19 : 846,192.48 = 341,256.68 : x
  2. Step 2: Convert to fraction form
    613,191.19/846,192.48 = 341,256.68/x
  3. Step 3: Cross multiply
    613,191.19x = 846,192.48 × 341,256.68
  4. Step 4: Simplify right side
    613,191.19x = 288,768,839,997.65
  5. Step 5: Solve for x
    x = 288,768,839,997.65/613,191.19
  6. Step 6: Final answer
    x = 470,927.90

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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.