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Finding the Fourth Proportional to 619,995, 930,001.14 and 176,763

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Solution

The fourth proportional to 619,995, 930,001.14 and 176,763 is: 265,146.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,995 : 930,001.14 = 176,763 : x
  2. Step 2: Convert to fraction form
    619,995/930,001.14 = 176,763/x
  3. Step 3: Cross multiply
    619,995x = 930,001.14 × 176,763
  4. Step 4: Simplify right side
    619,995x = 164,389,791,509.82
  5. Step 5: Solve for x
    x = 164,389,791,509.82/619,995
  6. Step 6: Final answer
    x = 265,146.96

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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.