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Finding the Fourth Proportional to 584,195.40, 876,228.30 and 478,830.60

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Solution

The fourth proportional to 584,195.40, 876,228.30 and 478,830.60 is: 718,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,195.40 : 876,228.30 = 478,830.60 : x
  2. Step 2: Convert to fraction form
    584,195.40/876,228.30 = 478,830.60/x
  3. Step 3: Cross multiply
    584,195.40x = 876,228.30 × 478,830.60
  4. Step 4: Simplify right side
    584,195.40x = 419,564,922,625.98
  5. Step 5: Solve for x
    x = 419,564,922,625.98/584,195.40
  6. Step 6: Final answer
    x = 718,192.79

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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.