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Finding the Fourth Proportional to 374,145.93, 561,274.26 and 137,470.17

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Solution

The fourth proportional to 374,145.93, 561,274.26 and 137,470.17 is: 206,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,145.93 : 561,274.26 = 137,470.17 : x
  2. Step 2: Convert to fraction form
    374,145.93/561,274.26 = 137,470.17/x
  3. Step 3: Cross multiply
    374,145.93x = 561,274.26 × 137,470.17
  4. Step 4: Simplify right side
    374,145.93x = 77,158,467,938.82
  5. Step 5: Solve for x
    x = 77,158,467,938.82/374,145.93
  6. Step 6: Final answer
    x = 206,225.60

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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.