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Finding the Fourth Proportional to 442,984.80, 664,477.20 and 232,595.40

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Solution

The fourth proportional to 442,984.80, 664,477.20 and 232,595.40 is: 348,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,984.80 : 664,477.20 = 232,595.40 : x
  2. Step 2: Convert to fraction form
    442,984.80/664,477.20 = 232,595.40/x
  3. Step 3: Cross multiply
    442,984.80x = 664,477.20 × 232,595.40
  4. Step 4: Simplify right side
    442,984.80x = 154,554,340,124.88
  5. Step 5: Solve for x
    x = 154,554,340,124.88/442,984.80
  6. Step 6: Final answer
    x = 348,893.10

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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.