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Finding the Fourth Proportional to 573,533.31, 791,496.29 and 315,430.22

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Solution

The fourth proportional to 573,533.31, 791,496.29 and 315,430.22 is: 435,304.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,533.31 : 791,496.29 = 315,430.22 : x
  2. Step 2: Convert to fraction form
    573,533.31/791,496.29 = 315,430.22/x
  3. Step 3: Cross multiply
    573,533.31x = 791,496.29 × 315,430.22
  4. Step 4: Simplify right side
    573,533.31x = 249,661,848,883.88
  5. Step 5: Solve for x
    x = 249,661,848,883.88/573,533.31
  6. Step 6: Final answer
    x = 435,304.88

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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.