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Finding the Fourth Proportional to 374,859.55, 560,981.22 and 306,602.59

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Solution

The fourth proportional to 374,859.55, 560,981.22 and 306,602.59 is: 458,833.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,859.55 : 560,981.22 = 306,602.59 : x
  2. Step 2: Convert to fraction form
    374,859.55/560,981.22 = 306,602.59/x
  3. Step 3: Cross multiply
    374,859.55x = 560,981.22 × 306,602.59
  4. Step 4: Simplify right side
    374,859.55x = 171,998,295,933.07
  5. Step 5: Solve for x
    x = 171,998,295,933.07/374,859.55
  6. Step 6: Final answer
    x = 458,833.98

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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.