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Finding the Fourth Proportional to 674,151.05, 930,702.13 and 459,606.35

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Solution

The fourth proportional to 674,151.05, 930,702.13 and 459,606.35 is: 634,511.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,151.05 : 930,702.13 = 459,606.35 : x
  2. Step 2: Convert to fraction form
    674,151.05/930,702.13 = 459,606.35/x
  3. Step 3: Cross multiply
    674,151.05x = 930,702.13 × 459,606.35
  4. Step 4: Simplify right side
    674,151.05x = 427,756,608,906.53
  5. Step 5: Solve for x
    x = 427,756,608,906.53/674,151.05
  6. Step 6: Final answer
    x = 634,511.52

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.