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Finding the Fourth Proportional to 573,402.77, 791,316.14 and 315,299.37

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Solution

The fourth proportional to 573,402.77, 791,316.14 and 315,299.37 is: 435,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,402.77 : 791,316.14 = 315,299.37 : x
  2. Step 2: Convert to fraction form
    573,402.77/791,316.14 = 315,299.37/x
  3. Step 3: Cross multiply
    573,402.77x = 791,316.14 × 315,299.37
  4. Step 4: Simplify right side
    573,402.77x = 249,501,480,412.83
  5. Step 5: Solve for x
    x = 249,501,480,412.83/573,402.77
  6. Step 6: Final answer
    x = 435,124.30

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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.