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Finding the Fourth Proportional to 1,784,594.80, 2,671,424.70 and 983,423.80

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Solution

The fourth proportional to 1,784,594.80, 2,671,424.70 and 983,423.80 is: 1,472,122.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,594.80 : 2,671,424.70 = 983,423.80 : x
  2. Step 2: Convert to fraction form
    1,784,594.80/2,671,424.70 = 983,423.80/x
  3. Step 3: Cross multiply
    1,784,594.80x = 2,671,424.70 × 983,423.80
  4. Step 4: Simplify right side
    1,784,594.80x = 2,627,142,629,887.86
  5. Step 5: Solve for x
    x = 2,627,142,629,887.86/1,784,594.80
  6. Step 6: Final answer
    x = 1,472,122.76

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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.