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Finding the Fourth Proportional to 275,763.59, 380,594.89 and 168,395.86

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Solution

The fourth proportional to 275,763.59, 380,594.89 and 168,395.86 is: 232,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,763.59 : 380,594.89 = 168,395.86 : x
  2. Step 2: Convert to fraction form
    275,763.59/380,594.89 = 168,395.86/x
  3. Step 3: Cross multiply
    275,763.59x = 380,594.89 × 168,395.86
  4. Step 4: Simplify right side
    275,763.59x = 64,090,601,068.20
  5. Step 5: Solve for x
    x = 64,090,601,068.20/275,763.59
  6. Step 6: Final answer
    x = 232,411.40

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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.