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Finding the Fourth Proportional to 416,015.80, 623,458.32 and 175,930.18

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Solution

The fourth proportional to 416,015.80, 623,458.32 and 175,930.18 is: 263,656.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,015.80 : 623,458.32 = 175,930.18 : x
  2. Step 2: Convert to fraction form
    416,015.80/623,458.32 = 175,930.18/x
  3. Step 3: Cross multiply
    416,015.80x = 623,458.32 × 175,930.18
  4. Step 4: Simplify right side
    416,015.80x = 109,685,134,460.10
  5. Step 5: Solve for x
    x = 109,685,134,460.10/416,015.80
  6. Step 6: Final answer
    x = 263,656.17

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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.