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Finding the Fourth Proportional to 469,860.48, 648,246.24 and 265,887.36

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Solution

The fourth proportional to 469,860.48, 648,246.24 and 265,887.36 is: 366,833.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,860.48 : 648,246.24 = 265,887.36 : x
  2. Step 2: Convert to fraction form
    469,860.48/648,246.24 = 265,887.36/x
  3. Step 3: Cross multiply
    469,860.48x = 648,246.24 × 265,887.36
  4. Step 4: Simplify right side
    469,860.48x = 172,360,481,383.53
  5. Step 5: Solve for x
    x = 172,360,481,383.53/469,860.48
  6. Step 6: Final answer
    x = 366,833.32

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1.5x scale

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.