Home / 346,268.40-477,769.23-210,298.56

Finding the Fourth Proportional to 346,268.40, 477,769.23 and 210,298.56

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Solution

The fourth proportional to 346,268.40, 477,769.23 and 210,298.56 is: 290,162.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,268.40 : 477,769.23 = 210,298.56 : x
  2. Step 2: Convert to fraction form
    346,268.40/477,769.23 = 210,298.56/x
  3. Step 3: Cross multiply
    346,268.40x = 477,769.23 × 210,298.56
  4. Step 4: Simplify right side
    346,268.40x = 100,474,181,081.31
  5. Step 5: Solve for x
    x = 100,474,181,081.31/346,268.40
  6. Step 6: Final answer
    x = 290,162.72

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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.