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Finding the Fourth Proportional to 583,818.38, 805,693.28 and 368,880.02

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Solution

The fourth proportional to 583,818.38, 805,693.28 and 368,880.02 is: 509,069.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,818.38 : 805,693.28 = 368,880.02 : x
  2. Step 2: Convert to fraction form
    583,818.38/805,693.28 = 368,880.02/x
  3. Step 3: Cross multiply
    583,818.38x = 805,693.28 × 368,880.02
  4. Step 4: Simplify right side
    583,818.38x = 297,204,153,240.27
  5. Step 5: Solve for x
    x = 297,204,153,240.27/583,818.38
  6. Step 6: Final answer
    x = 509,069.54

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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.