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Finding the Fourth Proportional to 461,622.80, 692,434.20 and 162,003.80

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Solution

The fourth proportional to 461,622.80, 692,434.20 and 162,003.80 is: 243,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,622.80 : 692,434.20 = 162,003.80 : x
  2. Step 2: Convert to fraction form
    461,622.80/692,434.20 = 162,003.80/x
  3. Step 3: Cross multiply
    461,622.80x = 692,434.20 × 162,003.80
  4. Step 4: Simplify right side
    461,622.80x = 112,176,971,649.96
  5. Step 5: Solve for x
    x = 112,176,971,649.96/461,622.80
  6. Step 6: Final answer
    x = 243,005.70

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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.