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Finding the Fourth Proportional to 676,041.63, 932,937.74 and 370,137.84

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Solution

The fourth proportional to 676,041.63, 932,937.74 and 370,137.84 is: 510,790.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,041.63 : 932,937.74 = 370,137.84 : x
  2. Step 2: Convert to fraction form
    676,041.63/932,937.74 = 370,137.84/x
  3. Step 3: Cross multiply
    676,041.63x = 932,937.74 × 370,137.84
  4. Step 4: Simplify right side
    676,041.63x = 345,315,558,087.39
  5. Step 5: Solve for x
    x = 345,315,558,087.39/676,041.63
  6. Step 6: Final answer
    x = 510,790.38

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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.