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Finding the Fourth Proportional to 397,594.10, 596,186.85 and 117,074.90

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Solution

The fourth proportional to 397,594.10, 596,186.85 and 117,074.90 is: 175,552.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,594.10 : 596,186.85 = 117,074.90 : x
  2. Step 2: Convert to fraction form
    397,594.10/596,186.85 = 117,074.90/x
  3. Step 3: Cross multiply
    397,594.10x = 596,186.85 × 117,074.90
  4. Step 4: Simplify right side
    397,594.10x = 69,798,515,845.07
  5. Step 5: Solve for x
    x = 69,798,515,845.07/397,594.10
  6. Step 6: Final answer
    x = 175,552.19

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1.5x scale

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.