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Finding the Fourth Proportional to 279,416.61, 385,536.56 and 182,762.15

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Solution

The fourth proportional to 279,416.61, 385,536.56 and 182,762.15 is: 252,173.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,416.61 : 385,536.56 = 182,762.15 : x
  2. Step 2: Convert to fraction form
    279,416.61/385,536.56 = 182,762.15/x
  3. Step 3: Cross multiply
    279,416.61x = 385,536.56 × 182,762.15
  4. Step 4: Simplify right side
    279,416.61x = 70,461,487,767.71
  5. Step 5: Solve for x
    x = 70,461,487,767.71/279,416.61
  6. Step 6: Final answer
    x = 252,173.58

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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.