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Finding the Fourth Proportional to 684,179, 1,026,302.52 and 484,724.60

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Solution

The fourth proportional to 684,179, 1,026,302.52 and 484,724.60 is: 727,111.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,179 : 1,026,302.52 = 484,724.60 : x
  2. Step 2: Convert to fraction form
    684,179/1,026,302.52 = 484,724.60/x
  3. Step 3: Cross multiply
    684,179x = 1,026,302.52 × 484,724.60
  4. Step 4: Simplify right side
    684,179x = 497,474,078,485.99
  5. Step 5: Solve for x
    x = 497,474,078,485.99/684,179
  6. Step 6: Final answer
    x = 727,111.00

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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.