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Finding the Fourth Proportional to 545,553.88, 818,330.88 and 166,476.60

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Solution

The fourth proportional to 545,553.88, 818,330.88 and 166,476.60 is: 249,714.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,553.88 : 818,330.88 = 166,476.60 : x
  2. Step 2: Convert to fraction form
    545,553.88/818,330.88 = 166,476.60/x
  3. Step 3: Cross multiply
    545,553.88x = 818,330.88 × 166,476.60
  4. Step 4: Simplify right side
    545,553.88x = 136,232,942,577.41
  5. Step 5: Solve for x
    x = 136,232,942,577.41/545,553.88
  6. Step 6: Final answer
    x = 249,714.92

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Double scale
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Similar ratio
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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.