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Finding the Fourth Proportional to 403,313.30, 604,969.95 and 403,313.30

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Solution

The fourth proportional to 403,313.30, 604,969.95 and 403,313.30 is: 604,969.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,313.30 : 604,969.95 = 403,313.30 : x
  2. Step 2: Convert to fraction form
    403,313.30/604,969.95 = 403,313.30/x
  3. Step 3: Cross multiply
    403,313.30x = 604,969.95 × 403,313.30
  4. Step 4: Simplify right side
    403,313.30x = 243,992,426,935.34
  5. Step 5: Solve for x
    x = 243,992,426,935.34/403,313.30
  6. Step 6: Final answer
    x = 604,969.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.