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Finding the Fourth Proportional to 493,749.60, 740,624.40 and 304,792.80

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Solution

The fourth proportional to 493,749.60, 740,624.40 and 304,792.80 is: 457,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,749.60 : 740,624.40 = 304,792.80 : x
  2. Step 2: Convert to fraction form
    493,749.60/740,624.40 = 304,792.80/x
  3. Step 3: Cross multiply
    493,749.60x = 740,624.40 × 304,792.80
  4. Step 4: Simplify right side
    493,749.60x = 225,736,984,624.32
  5. Step 5: Solve for x
    x = 225,736,984,624.32/493,749.60
  6. Step 6: Final answer
    x = 457,189.20

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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.