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Finding the Fourth Proportional to 469,758.96, 648,223.56 and 265,828.50

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Solution

The fourth proportional to 469,758.96, 648,223.56 and 265,828.50 is: 366,818.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,758.96 : 648,223.56 = 265,828.50 : x
  2. Step 2: Convert to fraction form
    469,758.96/648,223.56 = 265,828.50/x
  3. Step 3: Cross multiply
    469,758.96x = 648,223.56 × 265,828.50
  4. Step 4: Simplify right side
    469,758.96x = 172,316,296,619.46
  5. Step 5: Solve for x
    x = 172,316,296,619.46/469,758.96
  6. Step 6: Final answer
    x = 366,818.54

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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.