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Finding the Fourth Proportional to 650,946.40, 976,246.80 and 201,666.40

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Solution

The fourth proportional to 650,946.40, 976,246.80 and 201,666.40 is: 302,446.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,946.40 : 976,246.80 = 201,666.40 : x
  2. Step 2: Convert to fraction form
    650,946.40/976,246.80 = 201,666.40/x
  3. Step 3: Cross multiply
    650,946.40x = 976,246.80 × 201,666.40
  4. Step 4: Simplify right side
    650,946.40x = 196,876,177,667.52
  5. Step 5: Solve for x
    x = 196,876,177,667.52/650,946.40
  6. Step 6: Final answer
    x = 302,446.07

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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.