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Finding the Fourth Proportional to 346,100.66, 477,618 and 193,137.22

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Solution

The fourth proportional to 346,100.66, 477,618 and 193,137.22 is: 266,528.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,100.66 : 477,618 = 193,137.22 : x
  2. Step 2: Convert to fraction form
    346,100.66/477,618 = 193,137.22/x
  3. Step 3: Cross multiply
    346,100.66x = 477,618 × 193,137.22
  4. Step 4: Simplify right side
    346,100.66x = 92,245,812,741.96
  5. Step 5: Solve for x
    x = 92,245,812,741.96/346,100.66
  6. Step 6: Final answer
    x = 266,528.86

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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.