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Finding the Fourth Proportional to 370,318.82, 510,835.32 and 301,482.34

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Solution

The fourth proportional to 370,318.82, 510,835.32 and 301,482.34 is: 415,879.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,318.82 : 510,835.32 = 301,482.34 : x
  2. Step 2: Convert to fraction form
    370,318.82/510,835.32 = 301,482.34/x
  3. Step 3: Cross multiply
    370,318.82x = 510,835.32 × 301,482.34
  4. Step 4: Simplify right side
    370,318.82x = 154,007,826,351.16
  5. Step 5: Solve for x
    x = 154,007,826,351.16/370,318.82
  6. Step 6: Final answer
    x = 415,879.02

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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.