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Finding the Fourth Proportional to 410,779.55, 615,632.52 and 297,309.42

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Solution

The fourth proportional to 410,779.55, 615,632.52 and 297,309.42 is: 445,575.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,779.55 : 615,632.52 = 297,309.42 : x
  2. Step 2: Convert to fraction form
    410,779.55/615,632.52 = 297,309.42/x
  3. Step 3: Cross multiply
    410,779.55x = 615,632.52 × 297,309.42
  4. Step 4: Simplify right side
    410,779.55x = 183,033,347,454.34
  5. Step 5: Solve for x
    x = 183,033,347,454.34/410,779.55
  6. Step 6: Final answer
    x = 445,575.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.