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Finding the Fourth Proportional to 545,560.76, 818,341.20 and 166,483.50

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Solution

The fourth proportional to 545,560.76, 818,341.20 and 166,483.50 is: 249,725.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,560.76 : 818,341.20 = 166,483.50 : x
  2. Step 2: Convert to fraction form
    545,560.76/818,341.20 = 166,483.50/x
  3. Step 3: Cross multiply
    545,560.76x = 818,341.20 × 166,483.50
  4. Step 4: Simplify right side
    545,560.76x = 136,240,307,170.20
  5. Step 5: Solve for x
    x = 136,240,307,170.20/545,560.76
  6. Step 6: Final answer
    x = 249,725.27

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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.