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Finding the Fourth Proportional to 545,773.14, 818,602.47 and 146,454.84

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Solution

The fourth proportional to 545,773.14, 818,602.47 and 146,454.84 is: 219,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,773.14 : 818,602.47 = 146,454.84 : x
  2. Step 2: Convert to fraction form
    545,773.14/818,602.47 = 146,454.84/x
  3. Step 3: Cross multiply
    545,773.14x = 818,602.47 × 146,454.84
  4. Step 4: Simplify right side
    545,773.14x = 119,888,293,767.46
  5. Step 5: Solve for x
    x = 119,888,293,767.46/545,773.14
  6. Step 6: Final answer
    x = 219,666.90

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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.