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Finding the Fourth Proportional to 539,527.70, 809,615.55 and 223,951.70

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Solution

The fourth proportional to 539,527.70, 809,615.55 and 223,951.70 is: 336,062.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,527.70 : 809,615.55 = 223,951.70 : x
  2. Step 2: Convert to fraction form
    539,527.70/809,615.55 = 223,951.70/x
  3. Step 3: Cross multiply
    539,527.70x = 809,615.55 × 223,951.70
  4. Step 4: Simplify right side
    539,527.70x = 181,314,778,768.94
  5. Step 5: Solve for x
    x = 181,314,778,768.94/539,527.70
  6. Step 6: Final answer
    x = 336,062.04

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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.