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Finding the Fourth Proportional to 598,907.80, 898,361.70 and 386,331.40

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Solution

The fourth proportional to 598,907.80, 898,361.70 and 386,331.40 is: 579,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,907.80 : 898,361.70 = 386,331.40 : x
  2. Step 2: Convert to fraction form
    598,907.80/898,361.70 = 386,331.40/x
  3. Step 3: Cross multiply
    598,907.80x = 898,361.70 × 386,331.40
  4. Step 4: Simplify right side
    598,907.80x = 347,065,333,267.38
  5. Step 5: Solve for x
    x = 347,065,333,267.38/598,907.80
  6. Step 6: Final answer
    x = 579,497.10

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Similar ratio
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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.