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Finding the Fourth Proportional to 656,702.40, 984,980.70 and 183,435.60

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Solution

The fourth proportional to 656,702.40, 984,980.70 and 183,435.60 is: 275,133.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,702.40 : 984,980.70 = 183,435.60 : x
  2. Step 2: Convert to fraction form
    656,702.40/984,980.70 = 183,435.60/x
  3. Step 3: Cross multiply
    656,702.40x = 984,980.70 × 183,435.60
  4. Step 4: Simplify right side
    656,702.40x = 180,680,525,692.92
  5. Step 5: Solve for x
    x = 180,680,525,692.92/656,702.40
  6. Step 6: Final answer
    x = 275,133.04

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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.