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Finding the Fourth Proportional to 1,773,923.60, 2,657,823.60 and 825,348.80

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Solution

The fourth proportional to 1,773,923.60, 2,657,823.60 and 825,348.80 is: 1,236,598.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773,923.60 : 2,657,823.60 = 825,348.80 : x
  2. Step 2: Convert to fraction form
    1,773,923.60/2,657,823.60 = 825,348.80/x
  3. Step 3: Cross multiply
    1,773,923.60x = 2,657,823.60 × 825,348.80
  4. Step 4: Simplify right side
    1,773,923.60x = 2,193,631,518,871.68
  5. Step 5: Solve for x
    x = 2,193,631,518,871.68/1,773,923.60
  6. Step 6: Final answer
    x = 1,236,598.64

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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.