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Finding the Fourth Proportional to 493,341.40, 740,012.10 and 293,757.40

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Solution

The fourth proportional to 493,341.40, 740,012.10 and 293,757.40 is: 440,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,341.40 : 740,012.10 = 293,757.40 : x
  2. Step 2: Convert to fraction form
    493,341.40/740,012.10 = 293,757.40/x
  3. Step 3: Cross multiply
    493,341.40x = 740,012.10 × 293,757.40
  4. Step 4: Simplify right side
    493,341.40x = 217,384,030,464.54
  5. Step 5: Solve for x
    x = 217,384,030,464.54/493,341.40
  6. Step 6: Final answer
    x = 440,636.10

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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.