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Finding the Fourth Proportional to 352,430.34, 486,354.35 and 191,285.35

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Solution

The fourth proportional to 352,430.34, 486,354.35 and 191,285.35 is: 263,974.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,430.34 : 486,354.35 = 191,285.35 : x
  2. Step 2: Convert to fraction form
    352,430.34/486,354.35 = 191,285.35/x
  3. Step 3: Cross multiply
    352,430.34x = 486,354.35 × 191,285.35
  4. Step 4: Simplify right side
    352,430.34x = 93,032,462,063.77
  5. Step 5: Solve for x
    x = 93,032,462,063.77/352,430.34
  6. Step 6: Final answer
    x = 263,974.04

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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.