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Finding the Fourth Proportional to 352,443.54, 486,359.05 and 191,295.16

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Solution

The fourth proportional to 352,443.54, 486,359.05 and 191,295.16 is: 263,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,443.54 : 486,359.05 = 191,295.16 : x
  2. Step 2: Convert to fraction form
    352,443.54/486,359.05 = 191,295.16/x
  3. Step 3: Cross multiply
    352,443.54x = 486,359.05 × 191,295.16
  4. Step 4: Simplify right side
    352,443.54x = 93,038,132,287.20
  5. Step 5: Solve for x
    x = 93,038,132,287.20/352,443.54
  6. Step 6: Final answer
    x = 263,980.25

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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.