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Finding the Fourth Proportional to 295,420.79, 407,657.67 and 174,539.15

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Solution

The fourth proportional to 295,420.79, 407,657.67 and 174,539.15 is: 240,850.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,420.79 : 407,657.67 = 174,539.15 : x
  2. Step 2: Convert to fraction form
    295,420.79/407,657.67 = 174,539.15/x
  3. Step 3: Cross multiply
    295,420.79x = 407,657.67 × 174,539.15
  4. Step 4: Simplify right side
    295,420.79x = 71,152,223,212.78
  5. Step 5: Solve for x
    x = 71,152,223,212.78/295,420.79
  6. Step 6: Final answer
    x = 240,850.43

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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.