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Finding the Fourth Proportional to 316,560.34, 436,894.86 and 180,563.14

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Solution

The fourth proportional to 316,560.34, 436,894.86 and 180,563.14 is: 249,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,560.34 : 436,894.86 = 180,563.14 : x
  2. Step 2: Convert to fraction form
    316,560.34/436,894.86 = 180,563.14/x
  3. Step 3: Cross multiply
    316,560.34x = 436,894.86 × 180,563.14
  4. Step 4: Simplify right side
    316,560.34x = 78,887,107,771.46
  5. Step 5: Solve for x
    x = 78,887,107,771.46/316,560.34
  6. Step 6: Final answer
    x = 249,200.86

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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.