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Finding the Fourth Proportional to 632,077.63, 872,267.03 and 345,597.64

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Solution

The fourth proportional to 632,077.63, 872,267.03 and 345,597.64 is: 476,924.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,077.63 : 872,267.03 = 345,597.64 : x
  2. Step 2: Convert to fraction form
    632,077.63/872,267.03 = 345,597.64/x
  3. Step 3: Cross multiply
    632,077.63x = 872,267.03 × 345,597.64
  4. Step 4: Simplify right side
    632,077.63x = 301,453,424,405.15
  5. Step 5: Solve for x
    x = 301,453,424,405.15/632,077.63
  6. Step 6: Final answer
    x = 476,924.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.