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Finding the Fourth Proportional to 333,918.34, 460,876.92 and 307,018.24

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Solution

The fourth proportional to 333,918.34, 460,876.92 and 307,018.24 is: 423,749.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,918.34 : 460,876.92 = 307,018.24 : x
  2. Step 2: Convert to fraction form
    333,918.34/460,876.92 = 307,018.24/x
  3. Step 3: Cross multiply
    333,918.34x = 460,876.92 × 307,018.24
  4. Step 4: Simplify right side
    333,918.34x = 141,497,619,682.83
  5. Step 5: Solve for x
    x = 141,497,619,682.83/333,918.34
  6. Step 6: Final answer
    x = 423,749.17

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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.