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Finding the Fourth Proportional to 607,529.80, 911,294.70 and 495,336.70

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Solution

The fourth proportional to 607,529.80, 911,294.70 and 495,336.70 is: 743,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,529.80 : 911,294.70 = 495,336.70 : x
  2. Step 2: Convert to fraction form
    607,529.80/911,294.70 = 495,336.70/x
  3. Step 3: Cross multiply
    607,529.80x = 911,294.70 × 495,336.70
  4. Step 4: Simplify right side
    607,529.80x = 451,397,709,425.49
  5. Step 5: Solve for x
    x = 451,397,709,425.49/607,529.80
  6. Step 6: Final answer
    x = 743,005.05

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Double scale
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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.