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Finding the Fourth Proportional to 461,804.20, 692,706.30 and 433,810.60

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Solution

The fourth proportional to 461,804.20, 692,706.30 and 433,810.60 is: 650,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,804.20 : 692,706.30 = 433,810.60 : x
  2. Step 2: Convert to fraction form
    461,804.20/692,706.30 = 433,810.60/x
  3. Step 3: Cross multiply
    461,804.20x = 692,706.30 × 433,810.60
  4. Step 4: Simplify right side
    461,804.20x = 300,503,335,626.78
  5. Step 5: Solve for x
    x = 300,503,335,626.78/461,804.20
  6. Step 6: Final answer
    x = 650,715.90

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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.