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Finding the Fourth Proportional to 316,424.48, 436,662.50 and 180,454.91

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Solution

The fourth proportional to 316,424.48, 436,662.50 and 180,454.91 is: 249,025.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,424.48 : 436,662.50 = 180,454.91 : x
  2. Step 2: Convert to fraction form
    316,424.48/436,662.50 = 180,454.91/x
  3. Step 3: Cross multiply
    316,424.48x = 436,662.50 × 180,454.91
  4. Step 4: Simplify right side
    316,424.48x = 78,797,889,052.29
  5. Step 5: Solve for x
    x = 78,797,889,052.29/316,424.48
  6. Step 6: Final answer
    x = 249,025.90

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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.