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Finding the Fourth Proportional to 583,402.53, 805,090.72 and 325,276.41

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Solution

The fourth proportional to 583,402.53, 805,090.72 and 325,276.41 is: 448,878.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,402.53 : 805,090.72 = 325,276.41 : x
  2. Step 2: Convert to fraction form
    583,402.53/805,090.72 = 325,276.41/x
  3. Step 3: Cross multiply
    583,402.53x = 805,090.72 × 325,276.41
  4. Step 4: Simplify right side
    583,402.53x = 261,877,019,125.92
  5. Step 5: Solve for x
    x = 261,877,019,125.92/583,402.53
  6. Step 6: Final answer
    x = 448,878.79

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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.