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Finding the Fourth Proportional to 536,470.80, 804,706.20 and 477,373.20

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Solution

The fourth proportional to 536,470.80, 804,706.20 and 477,373.20 is: 716,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,470.80 : 804,706.20 = 477,373.20 : x
  2. Step 2: Convert to fraction form
    536,470.80/804,706.20 = 477,373.20/x
  3. Step 3: Cross multiply
    536,470.80x = 804,706.20 × 477,373.20
  4. Step 4: Simplify right side
    536,470.80x = 384,145,173,753.84
  5. Step 5: Solve for x
    x = 384,145,173,753.84/536,470.80
  6. Step 6: Final answer
    x = 716,059.80

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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.