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Finding the Fourth Proportional to 613,056.84, 845,995.32 and 341,134.92

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Solution

The fourth proportional to 613,056.84, 845,995.32 and 341,134.92 is: 470,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,056.84 : 845,995.32 = 341,134.92 : x
  2. Step 2: Convert to fraction form
    613,056.84/845,995.32 = 341,134.92/x
  3. Step 3: Cross multiply
    613,056.84x = 845,995.32 × 341,134.92
  4. Step 4: Simplify right side
    613,056.84x = 288,598,545,808.57
  5. Step 5: Solve for x
    x = 288,598,545,808.57/613,056.84
  6. Step 6: Final answer
    x = 470,753.32

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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.