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Finding the Fourth Proportional to 335,145.60, 502,426.80 and 201,884.40

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Solution

The fourth proportional to 335,145.60, 502,426.80 and 201,884.40 is: 302,650.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,145.60 : 502,426.80 = 201,884.40 : x
  2. Step 2: Convert to fraction form
    335,145.60/502,426.80 = 201,884.40/x
  3. Step 3: Cross multiply
    335,145.60x = 502,426.80 × 201,884.40
  4. Step 4: Simplify right side
    335,145.60x = 101,432,133,061.92
  5. Step 5: Solve for x
    x = 101,432,133,061.92/335,145.60
  6. Step 6: Final answer
    x = 302,650.95

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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.