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Finding the Fourth Proportional to 590,488.80, 883,400.40 and 512,469.60

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Solution

The fourth proportional to 590,488.80, 883,400.40 and 512,469.60 is: 766,679.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,488.80 : 883,400.40 = 512,469.60 : x
  2. Step 2: Convert to fraction form
    590,488.80/883,400.40 = 512,469.60/x
  3. Step 3: Cross multiply
    590,488.80x = 883,400.40 × 512,469.60
  4. Step 4: Simplify right side
    590,488.80x = 452,715,849,627.84
  5. Step 5: Solve for x
    x = 452,715,849,627.84/590,488.80
  6. Step 6: Final answer
    x = 766,679.82

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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.