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Finding the Fourth Proportional to 1,004,283, 1,385,573.40 and 568,640.88

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Solution

The fourth proportional to 1,004,283, 1,385,573.40 and 568,640.88 is: 784,533.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,283 : 1,385,573.40 = 568,640.88 : x
  2. Step 2: Convert to fraction form
    1,004,283/1,385,573.40 = 568,640.88/x
  3. Step 3: Cross multiply
    1,004,283x = 1,385,573.40 × 568,640.88
  4. Step 4: Simplify right side
    1,004,283x = 787,893,677,480.59
  5. Step 5: Solve for x
    x = 787,893,677,480.59/1,004,283
  6. Step 6: Final answer
    x = 784,533.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.