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Finding the Fourth Proportional to 583,825.38, 805,702.94 and 368,887.02

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Solution

The fourth proportional to 583,825.38, 805,702.94 and 368,887.02 is: 509,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,825.38 : 805,702.94 = 368,887.02 : x
  2. Step 2: Convert to fraction form
    583,825.38/805,702.94 = 368,887.02/x
  3. Step 3: Cross multiply
    583,825.38x = 805,702.94 × 368,887.02
  4. Step 4: Simplify right side
    583,825.38x = 297,213,356,541.84
  5. Step 5: Solve for x
    x = 297,213,356,541.84/583,825.38
  6. Step 6: Final answer
    x = 509,079.20

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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.