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Finding the Fourth Proportional to 333,881.47, 460,779.03 and 188,636.88

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Solution

The fourth proportional to 333,881.47, 460,779.03 and 188,636.88 is: 260,331.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,881.47 : 460,779.03 = 188,636.88 : x
  2. Step 2: Convert to fraction form
    333,881.47/460,779.03 = 188,636.88/x
  3. Step 3: Cross multiply
    333,881.47x = 460,779.03 × 188,636.88
  4. Step 4: Simplify right side
    333,881.47x = 86,919,916,428.72
  5. Step 5: Solve for x
    x = 86,919,916,428.72/333,881.47
  6. Step 6: Final answer
    x = 260,331.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.