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Finding the Fourth Proportional to 346,009.92, 477,502.08 and 193,047

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Solution

The fourth proportional to 346,009.92, 477,502.08 and 193,047 is: 266,409.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,009.92 : 477,502.08 = 193,047 : x
  2. Step 2: Convert to fraction form
    346,009.92/477,502.08 = 193,047/x
  3. Step 3: Cross multiply
    346,009.92x = 477,502.08 × 193,047
  4. Step 4: Simplify right side
    346,009.92x = 92,180,344,037.76
  5. Step 5: Solve for x
    x = 92,180,344,037.76/346,009.92
  6. Step 6: Final answer
    x = 266,409.54

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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.