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Finding the Fourth Proportional to 4,766,854.40, 7,153,046.40 and 1,775,340.80

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Solution

The fourth proportional to 4,766,854.40, 7,153,046.40 and 1,775,340.80 is: 2,664,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,766,854.40 : 7,153,046.40 = 1,775,340.80 : x
  2. Step 2: Convert to fraction form
    4,766,854.40/7,153,046.40 = 1,775,340.80/x
  3. Step 3: Cross multiply
    4,766,854.40x = 7,153,046.40 × 1,775,340.80
  4. Step 4: Simplify right side
    4,766,854.40x = 12,699,095,118,213.12
  5. Step 5: Solve for x
    x = 12,699,095,118,213.12/4,766,854.40
  6. Step 6: Final answer
    x = 2,664,040.91

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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.