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Finding the Fourth Proportional to 410,181.60, 615,272.40 and 284,210.40

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Solution

The fourth proportional to 410,181.60, 615,272.40 and 284,210.40 is: 426,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,181.60 : 615,272.40 = 284,210.40 : x
  2. Step 2: Convert to fraction form
    410,181.60/615,272.40 = 284,210.40/x
  3. Step 3: Cross multiply
    410,181.60x = 615,272.40 × 284,210.40
  4. Step 4: Simplify right side
    410,181.60x = 174,866,814,912.96
  5. Step 5: Solve for x
    x = 174,866,814,912.96/410,181.60
  6. Step 6: Final answer
    x = 426,315.60

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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.