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Finding the Fourth Proportional to 671,194.65, 926,269.62 and 380,818.45

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Solution

The fourth proportional to 671,194.65, 926,269.62 and 380,818.45 is: 525,541.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,194.65 : 926,269.62 = 380,818.45 : x
  2. Step 2: Convert to fraction form
    671,194.65/926,269.62 = 380,818.45/x
  3. Step 3: Cross multiply
    671,194.65x = 926,269.62 × 380,818.45
  4. Step 4: Simplify right side
    671,194.65x = 352,740,560,970.49
  5. Step 5: Solve for x
    x = 352,740,560,970.49/671,194.65
  6. Step 6: Final answer
    x = 525,541.38

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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.