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Finding the Fourth Proportional to 333,432.02, 500,128.58 and 199,412.66

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Solution

The fourth proportional to 333,432.02, 500,128.58 and 199,412.66 is: 299,107.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,432.02 : 500,128.58 = 199,412.66 : x
  2. Step 2: Convert to fraction form
    333,432.02/500,128.58 = 199,412.66/x
  3. Step 3: Cross multiply
    333,432.02x = 500,128.58 × 199,412.66
  4. Step 4: Simplify right side
    333,432.02x = 99,731,970,479.82
  5. Step 5: Solve for x
    x = 99,731,970,479.82/333,432.02
  6. Step 6: Final answer
    x = 299,107.36

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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.