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Finding the Fourth Proportional to 423,630, 584,661.24 and 244,782

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Solution

The fourth proportional to 423,630, 584,661.24 and 244,782 is: 337,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,630 : 584,661.24 = 244,782 : x
  2. Step 2: Convert to fraction form
    423,630/584,661.24 = 244,782/x
  3. Step 3: Cross multiply
    423,630x = 584,661.24 × 244,782
  4. Step 4: Simplify right side
    423,630x = 143,114,547,649.68
  5. Step 5: Solve for x
    x = 143,114,547,649.68/423,630
  6. Step 6: Final answer
    x = 337,829.11

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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.