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Finding the Fourth Proportional to 475,483.20, 712,473.60 and 175,550.40

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Solution

The fourth proportional to 475,483.20, 712,473.60 and 175,550.40 is: 263,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,483.20 : 712,473.60 = 175,550.40 : x
  2. Step 2: Convert to fraction form
    475,483.20/712,473.60 = 175,550.40/x
  3. Step 3: Cross multiply
    475,483.20x = 712,473.60 × 175,550.40
  4. Step 4: Simplify right side
    475,483.20x = 125,075,025,469.44
  5. Step 5: Solve for x
    x = 125,075,025,469.44/475,483.20
  6. Step 6: Final answer
    x = 263,048.25

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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.