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Finding the Fourth Proportional to 545,458.32, 818,234.16 and 166,464.32

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Solution

The fourth proportional to 545,458.32, 818,234.16 and 166,464.32 is: 249,710.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,458.32 : 818,234.16 = 166,464.32 : x
  2. Step 2: Convert to fraction form
    545,458.32/818,234.16 = 166,464.32/x
  3. Step 3: Cross multiply
    545,458.32x = 818,234.16 × 166,464.32
  4. Step 4: Simplify right side
    545,458.32x = 136,206,793,045.17
  5. Step 5: Solve for x
    x = 136,206,793,045.17/545,458.32
  6. Step 6: Final answer
    x = 249,710.73

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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.