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Finding the Fourth Proportional to 663,093.60, 994,640.40 and 558,117.60

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Solution

The fourth proportional to 663,093.60, 994,640.40 and 558,117.60 is: 837,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,093.60 : 994,640.40 = 558,117.60 : x
  2. Step 2: Convert to fraction form
    663,093.60/994,640.40 = 558,117.60/x
  3. Step 3: Cross multiply
    663,093.60x = 994,640.40 × 558,117.60
  4. Step 4: Simplify right side
    663,093.60x = 555,126,312,911.04
  5. Step 5: Solve for x
    x = 555,126,312,911.04/663,093.60
  6. Step 6: Final answer
    x = 837,176.40

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Double scale
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Similar ratio
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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.