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Finding the Fourth Proportional to 692,006.16, 954,996.84 and 437,264.40

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Solution

The fourth proportional to 692,006.16, 954,996.84 and 437,264.40 is: 603,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,006.16 : 954,996.84 = 437,264.40 : x
  2. Step 2: Convert to fraction form
    692,006.16/954,996.84 = 437,264.40/x
  3. Step 3: Cross multiply
    692,006.16x = 954,996.84 × 437,264.40
  4. Step 4: Simplify right side
    692,006.16x = 417,586,120,244.50
  5. Step 5: Solve for x
    x = 417,586,120,244.50/692,006.16
  6. Step 6: Final answer
    x = 603,442.78

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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.