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Finding the Fourth Proportional to 437,671.68, 604,051.20 and 267,878.40

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Solution

The fourth proportional to 437,671.68, 604,051.20 and 267,878.40 is: 369,711.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,671.68 : 604,051.20 = 267,878.40 : x
  2. Step 2: Convert to fraction form
    437,671.68/604,051.20 = 267,878.40/x
  3. Step 3: Cross multiply
    437,671.68x = 604,051.20 × 267,878.40
  4. Step 4: Simplify right side
    437,671.68x = 161,812,268,974.08
  5. Step 5: Solve for x
    x = 161,812,268,974.08/437,671.68
  6. Step 6: Final answer
    x = 369,711.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.