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Finding the Fourth Proportional to 370,000.58, 510,437.86 and 216,961.07

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Solution

The fourth proportional to 370,000.58, 510,437.86 and 216,961.07 is: 299,310.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,000.58 : 510,437.86 = 216,961.07 : x
  2. Step 2: Convert to fraction form
    370,000.58/510,437.86 = 216,961.07/x
  3. Step 3: Cross multiply
    370,000.58x = 510,437.86 × 216,961.07
  4. Step 4: Simplify right side
    370,000.58x = 110,745,141,179.52
  5. Step 5: Solve for x
    x = 110,745,141,179.52/370,000.58
  6. Step 6: Final answer
    x = 299,310.73

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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.