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Finding the Fourth Proportional to 493,160.40, 740,032.20 and 325,166.40

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Solution

The fourth proportional to 493,160.40, 740,032.20 and 325,166.40 is: 487,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,160.40 : 740,032.20 = 325,166.40 : x
  2. Step 2: Convert to fraction form
    493,160.40/740,032.20 = 325,166.40/x
  3. Step 3: Cross multiply
    493,160.40x = 740,032.20 × 325,166.40
  4. Step 4: Simplify right side
    493,160.40x = 240,633,606,358.08
  5. Step 5: Solve for x
    x = 240,633,606,358.08/493,160.40
  6. Step 6: Final answer
    x = 487,941.87

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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.