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Finding the Fourth Proportional to 376,666.36, 564,999.55 and 166,262.38

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Solution

The fourth proportional to 376,666.36, 564,999.55 and 166,262.38 is: 249,393.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,666.36 : 564,999.55 = 166,262.38 : x
  2. Step 2: Convert to fraction form
    376,666.36/564,999.55 = 166,262.38/x
  3. Step 3: Cross multiply
    376,666.36x = 564,999.55 × 166,262.38
  4. Step 4: Simplify right side
    376,666.36x = 93,938,169,881.93
  5. Step 5: Solve for x
    x = 93,938,169,881.93/376,666.36
  6. Step 6: Final answer
    x = 249,393.57

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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.