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Finding the Fourth Proportional to 333,298.56, 499,979.88 and 93,412.56

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Solution

The fourth proportional to 333,298.56, 499,979.88 and 93,412.56 is: 140,127.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,298.56 : 499,979.88 = 93,412.56 : x
  2. Step 2: Convert to fraction form
    333,298.56/499,979.88 = 93,412.56/x
  3. Step 3: Cross multiply
    333,298.56x = 499,979.88 × 93,412.56
  4. Step 4: Simplify right side
    333,298.56x = 46,704,400,539.29
  5. Step 5: Solve for x
    x = 46,704,400,539.29/333,298.56
  6. Step 6: Final answer
    x = 140,127.82

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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.