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Finding the Fourth Proportional to 469,575.65, 648,014.49 and 265,622.24

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Solution

The fourth proportional to 469,575.65, 648,014.49 and 265,622.24 is: 366,558.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,575.65 : 648,014.49 = 265,622.24 : x
  2. Step 2: Convert to fraction form
    469,575.65/648,014.49 = 265,622.24/x
  3. Step 3: Cross multiply
    469,575.65x = 648,014.49 × 265,622.24
  4. Step 4: Simplify right side
    469,575.65x = 172,127,057,146.19
  5. Step 5: Solve for x
    x = 172,127,057,146.19/469,575.65
  6. Step 6: Final answer
    x = 366,558.74

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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.