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Finding the Fourth Proportional to 479,901.64, 662,269.62 and 265,036.72

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Solution

The fourth proportional to 479,901.64, 662,269.62 and 265,036.72 is: 365,753.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,901.64 : 662,269.62 = 265,036.72 : x
  2. Step 2: Convert to fraction form
    479,901.64/662,269.62 = 265,036.72/x
  3. Step 3: Cross multiply
    479,901.64x = 662,269.62 × 265,036.72
  4. Step 4: Simplify right side
    479,901.64x = 175,525,767,840.45
  5. Step 5: Solve for x
    x = 175,525,767,840.45/479,901.64
  6. Step 6: Final answer
    x = 365,753.63

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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.