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Finding the Fourth Proportional to 6,385,148.80, 9,582,388.80 and 4,495,580.80

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Solution

The fourth proportional to 6,385,148.80, 9,582,388.80 and 4,495,580.80 is: 6,746,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385,148.80 : 9,582,388.80 = 4,495,580.80 : x
  2. Step 2: Convert to fraction form
    6,385,148.80/9,582,388.80 = 4,495,580.80/x
  3. Step 3: Cross multiply
    6,385,148.80x = 9,582,388.80 × 4,495,580.80
  4. Step 4: Simplify right side
    6,385,148.80x = 43,078,403,107,415.04
  5. Step 5: Solve for x
    x = 43,078,403,107,415.04/6,385,148.80
  6. Step 6: Final answer
    x = 6,746,656.10

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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.