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Finding the Fourth Proportional to 433,856.60, 650,128.80 and 366,934.40

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Solution

The fourth proportional to 433,856.60, 650,128.80 and 366,934.40 is: 549,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,856.60 : 650,128.80 = 366,934.40 : x
  2. Step 2: Convert to fraction form
    433,856.60/650,128.80 = 366,934.40/x
  3. Step 3: Cross multiply
    433,856.60x = 650,128.80 × 366,934.40
  4. Step 4: Simplify right side
    433,856.60x = 238,554,621,150.72
  5. Step 5: Solve for x
    x = 238,554,621,150.72/433,856.60
  6. Step 6: Final answer
    x = 549,846.70

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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.