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Finding the Fourth Proportional to 310,856.80, 466,976.40 and 302,562.40

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Solution

The fourth proportional to 310,856.80, 466,976.40 and 302,562.40 is: 454,516.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,856.80 : 466,976.40 = 302,562.40 : x
  2. Step 2: Convert to fraction form
    310,856.80/466,976.40 = 302,562.40/x
  3. Step 3: Cross multiply
    310,856.80x = 466,976.40 × 302,562.40
  4. Step 4: Simplify right side
    310,856.80x = 141,289,500,327.36
  5. Step 5: Solve for x
    x = 141,289,500,327.36/310,856.80
  6. Step 6: Final answer
    x = 454,516.36

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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.