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Finding the Fourth Proportional to 608,885.40, 840,599.64 and 367,228.92

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Solution

The fourth proportional to 608,885.40, 840,599.64 and 367,228.92 is: 506,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,885.40 : 840,599.64 = 367,228.92 : x
  2. Step 2: Convert to fraction form
    608,885.40/840,599.64 = 367,228.92/x
  3. Step 3: Cross multiply
    608,885.40x = 840,599.64 × 367,228.92
  4. Step 4: Simplify right side
    608,885.40x = 308,692,497,949.59
  5. Step 5: Solve for x
    x = 308,692,497,949.59/608,885.40
  6. Step 6: Final answer
    x = 506,979.64

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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.