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Finding the Fourth Proportional to 674,372.27, 930,622.84 and 368,442.06

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Solution

The fourth proportional to 674,372.27, 930,622.84 and 368,442.06 is: 508,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,372.27 : 930,622.84 = 368,442.06 : x
  2. Step 2: Convert to fraction form
    674,372.27/930,622.84 = 368,442.06/x
  3. Step 3: Cross multiply
    674,372.27x = 930,622.84 × 368,442.06
  4. Step 4: Simplify right side
    674,372.27x = 342,880,598,821.38
  5. Step 5: Solve for x
    x = 342,880,598,821.38/674,372.27
  6. Step 6: Final answer
    x = 508,444.10

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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.