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Finding the Fourth Proportional to 479,985.72, 662,363.04 and 265,114.68

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Solution

The fourth proportional to 479,985.72, 662,363.04 and 265,114.68 is: 365,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,985.72 : 662,363.04 = 265,114.68 : x
  2. Step 2: Convert to fraction form
    479,985.72/662,363.04 = 265,114.68/x
  3. Step 3: Cross multiply
    479,985.72x = 662,363.04 × 265,114.68
  4. Step 4: Simplify right side
    479,985.72x = 175,602,165,393.43
  5. Step 5: Solve for x
    x = 175,602,165,393.43/479,985.72
  6. Step 6: Final answer
    x = 365,848.73

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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.