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Finding the Fourth Proportional to 461,817.45, 692,765.46 and 162,272.16

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Solution

The fourth proportional to 461,817.45, 692,765.46 and 162,272.16 is: 243,422.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,817.45 : 692,765.46 = 162,272.16 : x
  2. Step 2: Convert to fraction form
    461,817.45/692,765.46 = 162,272.16/x
  3. Step 3: Cross multiply
    461,817.45x = 692,765.46 × 162,272.16
  4. Step 4: Simplify right side
    461,817.45x = 112,416,547,567.59
  5. Step 5: Solve for x
    x = 112,416,547,567.59/461,817.45
  6. Step 6: Final answer
    x = 243,422.04

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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.