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Finding the Fourth Proportional to 352,637.80, 486,641.16 and 191,495.56

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Solution

The fourth proportional to 352,637.80, 486,641.16 and 191,495.56 is: 264,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,637.80 : 486,641.16 = 191,495.56 : x
  2. Step 2: Convert to fraction form
    352,637.80/486,641.16 = 191,495.56/x
  3. Step 3: Cross multiply
    352,637.80x = 486,641.16 × 191,495.56
  4. Step 4: Simplify right side
    352,637.80x = 93,189,621,453.25
  5. Step 5: Solve for x
    x = 93,189,621,453.25/352,637.80
  6. Step 6: Final answer
    x = 264,264.41

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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.