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Finding the Fourth Proportional to 671,190.58, 926,244.84 and 369,384.58

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Solution

The fourth proportional to 671,190.58, 926,244.84 and 369,384.58 is: 509,751.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,190.58 : 926,244.84 = 369,384.58 : x
  2. Step 2: Convert to fraction form
    671,190.58/926,244.84 = 369,384.58/x
  3. Step 3: Cross multiply
    671,190.58x = 926,244.84 × 369,384.58
  4. Step 4: Simplify right side
    671,190.58x = 342,140,561,200.57
  5. Step 5: Solve for x
    x = 342,140,561,200.57/671,190.58
  6. Step 6: Final answer
    x = 509,751.73

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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.