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Finding the Fourth Proportional to 461,379.72, 636,820.02 and 260,292.36

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Solution

The fourth proportional to 461,379.72, 636,820.02 and 260,292.36 is: 359,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,379.72 : 636,820.02 = 260,292.36 : x
  2. Step 2: Convert to fraction form
    461,379.72/636,820.02 = 260,292.36/x
  3. Step 3: Cross multiply
    461,379.72x = 636,820.02 × 260,292.36
  4. Step 4: Simplify right side
    461,379.72x = 165,759,385,901.05
  5. Step 5: Solve for x
    x = 165,759,385,901.05/461,379.72
  6. Step 6: Final answer
    x = 359,268.90

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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.