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Finding the Fourth Proportional to 316,524.62, 436,845.58 and 180,527.40

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Solution

The fourth proportional to 316,524.62, 436,845.58 and 180,527.40 is: 249,151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,524.62 : 436,845.58 = 180,527.40 : x
  2. Step 2: Convert to fraction form
    316,524.62/436,845.58 = 180,527.40/x
  3. Step 3: Cross multiply
    316,524.62x = 436,845.58 × 180,527.40
  4. Step 4: Simplify right side
    316,524.62x = 78,862,596,307.57
  5. Step 5: Solve for x
    x = 78,862,596,307.57/316,524.62
  6. Step 6: Final answer
    x = 249,151.54

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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.