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Finding the Fourth Proportional to 320,580,801.60, 450,173,611.20 and 320,580,801.60

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Solution

The fourth proportional to 320,580,801.60, 450,173,611.20 and 320,580,801.60 is: 450,173,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,580,801.60 : 450,173,611.20 = 320,580,801.60 : x
  2. Step 2: Convert to fraction form
    320,580,801.60/450,173,611.20 = 320,580,801.60/x
  3. Step 3: Cross multiply
    320,580,801.60x = 450,173,611.20 × 320,580,801.60
  4. Step 4: Simplify right side
    320,580,801.60x = 144,317,017,137,662,752
  5. Step 5: Solve for x
    x = 144,317,017,137,662,752/320,580,801.60
  6. Step 6: Final answer
    x = 450,173,611.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.