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Finding the Fourth Proportional to 333,293.40, 500,019.30 and 108,655.32

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Solution

The fourth proportional to 333,293.40, 500,019.30 and 108,655.32 is: 163,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,293.40 : 500,019.30 = 108,655.32 : x
  2. Step 2: Convert to fraction form
    333,293.40/500,019.30 = 108,655.32/x
  3. Step 3: Cross multiply
    333,293.40x = 500,019.30 × 108,655.32
  4. Step 4: Simplify right side
    333,293.40x = 54,329,757,047.68
  5. Step 5: Solve for x
    x = 54,329,757,047.68/333,293.40
  6. Step 6: Final answer
    x = 163,008.80

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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.