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Finding the Fourth Proportional to 859,273, 1,185,797.37 and 472,113.39

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Solution

The fourth proportional to 859,273, 1,185,797.37 and 472,113.39 is: 651,516.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,273 : 1,185,797.37 = 472,113.39 : x
  2. Step 2: Convert to fraction form
    859,273/1,185,797.37 = 472,113.39/x
  3. Step 3: Cross multiply
    859,273x = 1,185,797.37 × 472,113.39
  4. Step 4: Simplify right side
    859,273x = 559,830,816,203.78
  5. Step 5: Solve for x
    x = 559,830,816,203.78/859,273
  6. Step 6: Final answer
    x = 651,516.82

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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.