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Finding the Fourth Proportional to 671,087.68, 926,100.66 and 369,281.68

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Solution

The fourth proportional to 671,087.68, 926,100.66 and 369,281.68 is: 509,608.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,087.68 : 926,100.66 = 369,281.68 : x
  2. Step 2: Convert to fraction form
    671,087.68/926,100.66 = 369,281.68/x
  3. Step 3: Cross multiply
    671,087.68x = 926,100.66 × 369,281.68
  4. Step 4: Simplify right side
    671,087.68x = 341,992,007,573.91
  5. Step 5: Solve for x
    x = 341,992,007,573.91/671,087.68
  6. Step 6: Final answer
    x = 509,608.53

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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.