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Finding the Fourth Proportional to 333,007.60, 499,511.40 and 108,389.20

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Solution

The fourth proportional to 333,007.60, 499,511.40 and 108,389.20 is: 162,583.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,007.60 : 499,511.40 = 108,389.20 : x
  2. Step 2: Convert to fraction form
    333,007.60/499,511.40 = 108,389.20/x
  3. Step 3: Cross multiply
    333,007.60x = 499,511.40 × 108,389.20
  4. Step 4: Simplify right side
    333,007.60x = 54,141,641,036.88
  5. Step 5: Solve for x
    x = 54,141,641,036.88/333,007.60
  6. Step 6: Final answer
    x = 162,583.80

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1.5x scale

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.