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Finding the Fourth Proportional to 674,500.94, 930,813.73 and 368,577.33

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Solution

The fourth proportional to 674,500.94, 930,813.73 and 368,577.33 is: 508,638.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,500.94 : 930,813.73 = 368,577.33 : x
  2. Step 2: Convert to fraction form
    674,500.94/930,813.73 = 368,577.33/x
  3. Step 3: Cross multiply
    674,500.94x = 930,813.73 × 368,577.33
  4. Step 4: Simplify right side
    674,500.94x = 343,076,838,916.99
  5. Step 5: Solve for x
    x = 343,076,838,916.99/674,500.94
  6. Step 6: Final answer
    x = 508,638.05

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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.