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Finding the Fourth Proportional to 573,372.01, 791,263.10 and 315,259.54

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Solution

The fourth proportional to 573,372.01, 791,263.10 and 315,259.54 is: 435,063.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,372.01 : 791,263.10 = 315,259.54 : x
  2. Step 2: Convert to fraction form
    573,372.01/791,263.10 = 315,259.54/x
  3. Step 3: Cross multiply
    573,372.01x = 791,263.10 × 315,259.54
  4. Step 4: Simplify right side
    573,372.01x = 249,453,239,734.97
  5. Step 5: Solve for x
    x = 249,453,239,734.97/573,372.01
  6. Step 6: Final answer
    x = 435,063.51

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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.