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Finding the Fourth Proportional to 274,685.60, 412,159.64 and 174,958.40

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Solution

The fourth proportional to 274,685.60, 412,159.64 and 174,958.40 is: 262,521.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,685.60 : 412,159.64 = 174,958.40 : x
  2. Step 2: Convert to fraction form
    274,685.60/412,159.64 = 174,958.40/x
  3. Step 3: Cross multiply
    274,685.60x = 412,159.64 × 174,958.40
  4. Step 4: Simplify right side
    274,685.60x = 72,110,788,223.39
  5. Step 5: Solve for x
    x = 72,110,788,223.39/274,685.60
  6. Step 6: Final answer
    x = 262,521.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.