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Finding the Fourth Proportional to 592,639.94, 889,206.05 and 379,648.01

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Solution

The fourth proportional to 592,639.94, 889,206.05 and 379,648.01 is: 569,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,639.94 : 889,206.05 = 379,648.01 : x
  2. Step 2: Convert to fraction form
    592,639.94/889,206.05 = 379,648.01/x
  3. Step 3: Cross multiply
    592,639.94x = 889,206.05 × 379,648.01
  4. Step 4: Simplify right side
    592,639.94x = 337,585,310,534.60
  5. Step 5: Solve for x
    x = 337,585,310,534.60/592,639.94
  6. Step 6: Final answer
    x = 569,629.70

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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.