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Finding the Fourth Proportional to 573,362.15, 791,254.98 and 315,249.98

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Solution

The fourth proportional to 573,362.15, 791,254.98 and 315,249.98 is: 435,053.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,362.15 : 791,254.98 = 315,249.98 : x
  2. Step 2: Convert to fraction form
    573,362.15/791,254.98 = 315,249.98/x
  3. Step 3: Cross multiply
    573,362.15x = 791,254.98 × 315,249.98
  4. Step 4: Simplify right side
    573,362.15x = 249,443,112,663.63
  5. Step 5: Solve for x
    x = 249,443,112,663.63/573,362.15
  6. Step 6: Final answer
    x = 435,053.33

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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.