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Finding the Fourth Proportional to 603,664.85, 832,710.60 and 376,916.69

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Solution

The fourth proportional to 603,664.85, 832,710.60 and 376,916.69 is: 519,928.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,664.85 : 832,710.60 = 376,916.69 : x
  2. Step 2: Convert to fraction form
    603,664.85/832,710.60 = 376,916.69/x
  3. Step 3: Cross multiply
    603,664.85x = 832,710.60 × 376,916.69
  4. Step 4: Simplify right side
    603,664.85x = 313,862,523,079.91
  5. Step 5: Solve for x
    x = 313,862,523,079.91/603,664.85
  6. Step 6: Final answer
    x = 519,928.44

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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.