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Finding the Fourth Proportional to 469,903.53, 648,457.20 and 265,950.81

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Solution

The fourth proportional to 469,903.53, 648,457.20 and 265,950.81 is: 367,006.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,903.53 : 648,457.20 = 265,950.81 : x
  2. Step 2: Convert to fraction form
    469,903.53/648,457.20 = 265,950.81/x
  3. Step 3: Cross multiply
    469,903.53x = 648,457.20 × 265,950.81
  4. Step 4: Simplify right side
    469,903.53x = 172,457,717,590.33
  5. Step 5: Solve for x
    x = 172,457,717,590.33/469,903.53
  6. Step 6: Final answer
    x = 367,006.64

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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.