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Finding the Fourth Proportional to 603,307.77, 832,622.55 and 345,133.46

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Solution

The fourth proportional to 603,307.77, 832,622.55 and 345,133.46 is: 476,317.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,307.77 : 832,622.55 = 345,133.46 : x
  2. Step 2: Convert to fraction form
    603,307.77/832,622.55 = 345,133.46/x
  3. Step 3: Cross multiply
    603,307.77x = 832,622.55 × 345,133.46
  4. Step 4: Simplify right side
    603,307.77x = 287,365,899,220.49
  5. Step 5: Solve for x
    x = 287,365,899,220.49/603,307.77
  6. Step 6: Final answer
    x = 476,317.25

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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.