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Finding the Fourth Proportional to 583,897.68, 805,997.16 and 454,579.92

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Solution

The fourth proportional to 583,897.68, 805,997.16 and 454,579.92 is: 627,490.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,897.68 : 805,997.16 = 454,579.92 : x
  2. Step 2: Convert to fraction form
    583,897.68/805,997.16 = 454,579.92/x
  3. Step 3: Cross multiply
    583,897.68x = 805,997.16 × 454,579.92
  4. Step 4: Simplify right side
    583,897.68x = 366,390,124,513.03
  5. Step 5: Solve for x
    x = 366,390,124,513.03/583,897.68
  6. Step 6: Final answer
    x = 627,490.29

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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.