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Finding the Fourth Proportional to 493,856.60, 740,784.90 and 334,424.30

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Solution

The fourth proportional to 493,856.60, 740,784.90 and 334,424.30 is: 501,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,856.60 : 740,784.90 = 334,424.30 : x
  2. Step 2: Convert to fraction form
    493,856.60/740,784.90 = 334,424.30/x
  3. Step 3: Cross multiply
    493,856.60x = 740,784.90 × 334,424.30
  4. Step 4: Simplify right side
    493,856.60x = 247,736,471,633.07
  5. Step 5: Solve for x
    x = 247,736,471,633.07/493,856.60
  6. Step 6: Final answer
    x = 501,636.45

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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.