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Finding the Fourth Proportional to 424,916,559.60, 636,367,069.80 and 424,916,559.60

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Solution

The fourth proportional to 424,916,559.60, 636,367,069.80 and 424,916,559.60 is: 636,367,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,916,559.60 : 636,367,069.80 = 424,916,559.60 : x
  2. Step 2: Convert to fraction form
    424,916,559.60/636,367,069.80 = 424,916,559.60/x
  3. Step 3: Cross multiply
    424,916,559.60x = 636,367,069.80 × 424,916,559.60
  4. Step 4: Simplify right side
    424,916,559.60x = 270,402,905,942,149,056
  5. Step 5: Solve for x
    x = 270,402,905,942,149,056/424,916,559.60
  6. Step 6: Final answer
    x = 636,367,069.80

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1.5x scale

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.