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Finding the Fourth Proportional to 603,760.00, 832,855.98 and 490,385.92

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Solution

The fourth proportional to 603,760.00, 832,855.98 and 490,385.92 is: 676,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,760.00 : 832,855.98 = 490,385.92 : x
  2. Step 2: Convert to fraction form
    603,760.00/832,855.98 = 490,385.92/x
  3. Step 3: Cross multiply
    603,760.00x = 832,855.98 × 490,385.92
  4. Step 4: Simplify right side
    603,760.00x = 408,420,845,123.63
  5. Step 5: Solve for x
    x = 408,420,845,123.63/603,760.00
  6. Step 6: Final answer
    x = 676,462.25

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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.