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Finding the Fourth Proportional to 254,412.03, 381,618 and 149,173.59

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Solution

The fourth proportional to 254,412.03, 381,618 and 149,173.59 is: 223,760.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,412.03 : 381,618 = 149,173.59 : x
  2. Step 2: Convert to fraction form
    254,412.03/381,618 = 149,173.59/x
  3. Step 3: Cross multiply
    254,412.03x = 381,618 × 149,173.59
  4. Step 4: Simplify right side
    254,412.03x = 56,927,327,068.62
  5. Step 5: Solve for x
    x = 56,927,327,068.62/254,412.03
  6. Step 6: Final answer
    x = 223,760.36

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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.