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Finding the Fourth Proportional to 493,572.60, 740,358.90 and 334,140.30

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Solution

The fourth proportional to 493,572.60, 740,358.90 and 334,140.30 is: 501,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,572.60 : 740,358.90 = 334,140.30 : x
  2. Step 2: Convert to fraction form
    493,572.60/740,358.90 = 334,140.30/x
  3. Step 3: Cross multiply
    493,572.60x = 740,358.90 × 334,140.30
  4. Step 4: Simplify right side
    493,572.60x = 247,383,744,953.67
  5. Step 5: Solve for x
    x = 247,383,744,953.67/493,572.60
  6. Step 6: Final answer
    x = 501,210.45

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Similar ratio
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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.