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Finding the Fourth Proportional to 545,630.02, 818,445.10 and 166,552.86

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Solution

The fourth proportional to 545,630.02, 818,445.10 and 166,552.86 is: 249,829.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,630.02 : 818,445.10 = 166,552.86 : x
  2. Step 2: Convert to fraction form
    545,630.02/818,445.10 = 166,552.86/x
  3. Step 3: Cross multiply
    545,630.02x = 818,445.10 × 166,552.86
  4. Step 4: Simplify right side
    545,630.02x = 136,314,372,157.99
  5. Step 5: Solve for x
    x = 136,314,372,157.99/545,630.02
  6. Step 6: Final answer
    x = 249,829.31

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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.