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Finding the Fourth Proportional to 781,694.84, 1,078,648.08 and 437,549.94

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Solution

The fourth proportional to 781,694.84, 1,078,648.08 and 437,549.94 is: 603,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,694.84 : 1,078,648.08 = 437,549.94 : x
  2. Step 2: Convert to fraction form
    781,694.84/1,078,648.08 = 437,549.94/x
  3. Step 3: Cross multiply
    781,694.84x = 1,078,648.08 × 437,549.94
  4. Step 4: Simplify right side
    781,694.84x = 471,962,402,685.12
  5. Step 5: Solve for x
    x = 471,962,402,685.12/781,694.84
  6. Step 6: Final answer
    x = 603,768.10

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