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Finding the Fourth Proportional to 423,755.49, 584,779.89 and 230,161.23

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Solution

The fourth proportional to 423,755.49, 584,779.89 and 230,161.23 is: 317,621.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,755.49 : 584,779.89 = 230,161.23 : x
  2. Step 2: Convert to fraction form
    423,755.49/584,779.89 = 230,161.23/x
  3. Step 3: Cross multiply
    423,755.49x = 584,779.89 × 230,161.23
  4. Step 4: Simplify right side
    423,755.49x = 134,593,658,761.67
  5. Step 5: Solve for x
    x = 134,593,658,761.67/423,755.49
  6. Step 6: Final answer
    x = 317,621.04

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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.