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Finding the Fourth Proportional to 333,809.52, 498,286.07 and 309,140.16

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Solution

The fourth proportional to 333,809.52, 498,286.07 and 309,140.16 is: 461,461.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,809.52 : 498,286.07 = 309,140.16 : x
  2. Step 2: Convert to fraction form
    333,809.52/498,286.07 = 309,140.16/x
  3. Step 3: Cross multiply
    333,809.52x = 498,286.07 × 309,140.16
  4. Step 4: Simplify right side
    333,809.52x = 154,040,235,405.57
  5. Step 5: Solve for x
    x = 154,040,235,405.57/333,809.52
  6. Step 6: Final answer
    x = 461,461.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.