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Finding the Fourth Proportional to 622,803.60, 934,205.40 and 616,898.70

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Solution

The fourth proportional to 622,803.60, 934,205.40 and 616,898.70 is: 925,348.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,803.60 : 934,205.40 = 616,898.70 : x
  2. Step 2: Convert to fraction form
    622,803.60/934,205.40 = 616,898.70/x
  3. Step 3: Cross multiply
    622,803.60x = 934,205.40 × 616,898.70
  4. Step 4: Simplify right side
    622,803.60x = 576,310,096,792.98
  5. Step 5: Solve for x
    x = 576,310,096,792.98/622,803.60
  6. Step 6: Final answer
    x = 925,348.05

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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.