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Finding the Fourth Proportional to 603,665.10, 832,710.94 and 376,916.94

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Solution

The fourth proportional to 603,665.10, 832,710.94 and 376,916.94 is: 519,928.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,665.10 : 832,710.94 = 376,916.94 : x
  2. Step 2: Convert to fraction form
    603,665.10/832,710.94 = 376,916.94/x
  3. Step 3: Cross multiply
    603,665.10x = 832,710.94 × 376,916.94
  4. Step 4: Simplify right side
    603,665.10x = 313,862,859,409.32
  5. Step 5: Solve for x
    x = 313,862,859,409.32/603,665.10
  6. Step 6: Final answer
    x = 519,928.78

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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.