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Finding the Fourth Proportional to 582,646.52, 804,128.84 and 328,047.32

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Solution

The fourth proportional to 582,646.52, 804,128.84 and 328,047.32 is: 452,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,646.52 : 804,128.84 = 328,047.32 : x
  2. Step 2: Convert to fraction form
    582,646.52/804,128.84 = 328,047.32/x
  3. Step 3: Cross multiply
    582,646.52x = 804,128.84 × 328,047.32
  4. Step 4: Simplify right side
    582,646.52x = 263,792,305,235.83
  5. Step 5: Solve for x
    x = 263,792,305,235.83/582,646.52
  6. Step 6: Final answer
    x = 452,748.45

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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.