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Finding the Fourth Proportional to 333,069.60, 498,729.60 and 262,502.40

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Solution

The fourth proportional to 333,069.60, 498,729.60 and 262,502.40 is: 393,064.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,069.60 : 498,729.60 = 262,502.40 : x
  2. Step 2: Convert to fraction form
    333,069.60/498,729.60 = 262,502.40/x
  3. Step 3: Cross multiply
    333,069.60x = 498,729.60 × 262,502.40
  4. Step 4: Simplify right side
    333,069.60x = 130,917,716,951.04
  5. Step 5: Solve for x
    x = 130,917,716,951.04/333,069.60
  6. Step 6: Final answer
    x = 393,064.14

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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.