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Finding the Fourth Proportional to 614,908.80, 848,445.12 and 373,318.56

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Solution

The fourth proportional to 614,908.80, 848,445.12 and 373,318.56 is: 515,101.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,908.80 : 848,445.12 = 373,318.56 : x
  2. Step 2: Convert to fraction form
    614,908.80/848,445.12 = 373,318.56/x
  3. Step 3: Cross multiply
    614,908.80x = 848,445.12 × 373,318.56
  4. Step 4: Simplify right side
    614,908.80x = 316,740,310,437.43
  5. Step 5: Solve for x
    x = 316,740,310,437.43/614,908.80
  6. Step 6: Final answer
    x = 515,101.28

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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.