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Finding the Fourth Proportional to 369,882.06, 510,437.07 and 208,770.90

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Solution

The fourth proportional to 369,882.06, 510,437.07 and 208,770.90 is: 288,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,882.06 : 510,437.07 = 208,770.90 : x
  2. Step 2: Convert to fraction form
    369,882.06/510,437.07 = 208,770.90/x
  3. Step 3: Cross multiply
    369,882.06x = 510,437.07 × 208,770.90
  4. Step 4: Simplify right side
    369,882.06x = 106,564,406,497.26
  5. Step 5: Solve for x
    x = 106,564,406,497.26/369,882.06
  6. Step 6: Final answer
    x = 288,103.74

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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.