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Finding the Fourth Proportional to 535,502.64, 802,827.68 and 265,440.72

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Solution

The fourth proportional to 535,502.64, 802,827.68 and 265,440.72 is: 397,949.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,502.64 : 802,827.68 = 265,440.72 : x
  2. Step 2: Convert to fraction form
    535,502.64/802,827.68 = 265,440.72/x
  3. Step 3: Cross multiply
    535,502.64x = 802,827.68 × 265,440.72
  4. Step 4: Simplify right side
    535,502.64x = 213,103,157,415.13
  5. Step 5: Solve for x
    x = 213,103,157,415.13/535,502.64
  6. Step 6: Final answer
    x = 397,949.78

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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.