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Finding the Fourth Proportional to 583,615.02, 805,388.49 and 315,343.02

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Solution

The fourth proportional to 583,615.02, 805,388.49 and 315,343.02 is: 435,173.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,615.02 : 805,388.49 = 315,343.02 : x
  2. Step 2: Convert to fraction form
    583,615.02/805,388.49 = 315,343.02/x
  3. Step 3: Cross multiply
    583,615.02x = 805,388.49 × 315,343.02
  4. Step 4: Simplify right side
    583,615.02x = 253,973,638,709.84
  5. Step 5: Solve for x
    x = 253,973,638,709.84/583,615.02
  6. Step 6: Final answer
    x = 435,173.24

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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.