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Finding the Fourth Proportional to 469,594.19, 648,039.93 and 265,640.74

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Solution

The fourth proportional to 469,594.19, 648,039.93 and 265,640.74 is: 366,584.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,594.19 : 648,039.93 = 265,640.74 : x
  2. Step 2: Convert to fraction form
    469,594.19/648,039.93 = 265,640.74/x
  3. Step 3: Cross multiply
    469,594.19x = 648,039.93 × 265,640.74
  4. Step 4: Simplify right side
    469,594.19x = 172,145,806,554.75
  5. Step 5: Solve for x
    x = 172,145,806,554.75/469,594.19
  6. Step 6: Final answer
    x = 366,584.19

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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.