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Finding the Fourth Proportional to 352,744.40, 486,779.19 and 191,595.91

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Solution

The fourth proportional to 352,744.40, 486,779.19 and 191,595.91 is: 264,397.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,744.40 : 486,779.19 = 191,595.91 : x
  2. Step 2: Convert to fraction form
    352,744.40/486,779.19 = 191,595.91/x
  3. Step 3: Cross multiply
    352,744.40x = 486,779.19 × 191,595.91
  4. Step 4: Simplify right side
    352,744.40x = 93,264,901,877.11
  5. Step 5: Solve for x
    x = 93,264,901,877.11/352,744.40
  6. Step 6: Final answer
    x = 264,397.97

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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.