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Finding the Fourth Proportional to 346,184.80, 518,125.20 and 251,144.80

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Solution

The fourth proportional to 346,184.80, 518,125.20 and 251,144.80 is: 375,881.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,184.80 : 518,125.20 = 251,144.80 : x
  2. Step 2: Convert to fraction form
    346,184.80/518,125.20 = 251,144.80/x
  3. Step 3: Cross multiply
    346,184.80x = 518,125.20 × 251,144.80
  4. Step 4: Simplify right side
    346,184.80x = 130,124,449,728.96
  5. Step 5: Solve for x
    x = 130,124,449,728.96/346,184.80
  6. Step 6: Final answer
    x = 375,881.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.