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Finding the Fourth Proportional to 671,080.77, 926,091.45 and 369,274.77

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Solution

The fourth proportional to 671,080.77, 926,091.45 and 369,274.77 is: 509,599.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,080.77 : 926,091.45 = 369,274.77 : x
  2. Step 2: Convert to fraction form
    671,080.77/926,091.45 = 369,274.77/x
  3. Step 3: Cross multiply
    671,080.77x = 926,091.45 × 369,274.77
  4. Step 4: Simplify right side
    671,080.77x = 341,982,207,197.72
  5. Step 5: Solve for x
    x = 341,982,207,197.72/671,080.77
  6. Step 6: Final answer
    x = 509,599.18

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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.