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Finding the Fourth Proportional to 306,580,124.80, 459,870,187.20 and 306,580,124.80

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Solution

The fourth proportional to 306,580,124.80, 459,870,187.20 and 306,580,124.80 is: 459,870,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,580,124.80 : 459,870,187.20 = 306,580,124.80 : x
  2. Step 2: Convert to fraction form
    306,580,124.80/459,870,187.20 = 306,580,124.80/x
  3. Step 3: Cross multiply
    306,580,124.80x = 459,870,187.20 × 306,580,124.80
  4. Step 4: Simplify right side
    306,580,124.80x = 140,987,059,383,575,360
  5. Step 5: Solve for x
    x = 140,987,059,383,575,360/306,580,124.80
  6. Step 6: Final answer
    x = 459,870,187.20

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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.