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Finding the Fourth Proportional to 604,865.10, 907,297.65 and 492,890.70

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Solution

The fourth proportional to 604,865.10, 907,297.65 and 492,890.70 is: 739,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,865.10 : 907,297.65 = 492,890.70 : x
  2. Step 2: Convert to fraction form
    604,865.10/907,297.65 = 492,890.70/x
  3. Step 3: Cross multiply
    604,865.10x = 907,297.65 × 492,890.70
  4. Step 4: Simplify right side
    604,865.10x = 447,198,573,816.86
  5. Step 5: Solve for x
    x = 447,198,573,816.86/604,865.10
  6. Step 6: Final answer
    x = 739,336.05

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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.