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Finding the Fourth Proportional to 583,572.53, 805,994.38 and 392,253.77

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Solution

The fourth proportional to 583,572.53, 805,994.38 and 392,253.77 is: 541,756.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,572.53 : 805,994.38 = 392,253.77 : x
  2. Step 2: Convert to fraction form
    583,572.53/805,994.38 = 392,253.77/x
  3. Step 3: Cross multiply
    583,572.53x = 805,994.38 × 392,253.77
  4. Step 4: Simplify right side
    583,572.53x = 316,154,336,659.12
  5. Step 5: Solve for x
    x = 316,154,336,659.12/583,572.53
  6. Step 6: Final answer
    x = 541,756.71

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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.