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Finding the Fourth Proportional to 511,802.16, 766,128.48 and 333,926.16

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Solution

The fourth proportional to 511,802.16, 766,128.48 and 333,926.16 is: 499,861.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,802.16 : 766,128.48 = 333,926.16 : x
  2. Step 2: Convert to fraction form
    511,802.16/766,128.48 = 333,926.16/x
  3. Step 3: Cross multiply
    511,802.16x = 766,128.48 × 333,926.16
  4. Step 4: Simplify right side
    511,802.16x = 255,830,341,393.04
  5. Step 5: Solve for x
    x = 255,830,341,393.04/511,802.16
  6. Step 6: Final answer
    x = 499,861.79

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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.