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Finding the Fourth Proportional to 360,281.89, 496,858.48 and 216,792.82

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Solution

The fourth proportional to 360,281.89, 496,858.48 and 216,792.82 is: 298,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,281.89 : 496,858.48 = 216,792.82 : x
  2. Step 2: Convert to fraction form
    360,281.89/496,858.48 = 216,792.82/x
  3. Step 3: Cross multiply
    360,281.89x = 496,858.48 × 216,792.82
  4. Step 4: Simplify right side
    360,281.89x = 107,715,351,020.11
  5. Step 5: Solve for x
    x = 107,715,351,020.11/360,281.89
  6. Step 6: Final answer
    x = 298,975.20

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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.