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Finding the Fourth Proportional to 608,077.20, 907,662.72 and 536,254.32

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Solution

The fourth proportional to 608,077.20, 907,662.72 and 536,254.32 is: 800,454.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,077.20 : 907,662.72 = 536,254.32 : x
  2. Step 2: Convert to fraction form
    608,077.20/907,662.72 = 536,254.32/x
  3. Step 3: Cross multiply
    608,077.20x = 907,662.72 × 536,254.32
  4. Step 4: Simplify right side
    608,077.20x = 486,738,054,702.95
  5. Step 5: Solve for x
    x = 486,738,054,702.95/608,077.20
  6. Step 6: Final answer
    x = 800,454.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.