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Finding the Fourth Proportional to 573,366.65, 791,261.19 and 315,254.48

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Solution

The fourth proportional to 573,366.65, 791,261.19 and 315,254.48 is: 435,059.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,366.65 : 791,261.19 = 315,254.48 : x
  2. Step 2: Convert to fraction form
    573,366.65/791,261.19 = 315,254.48/x
  3. Step 3: Cross multiply
    573,366.65x = 791,261.19 × 315,254.48
  4. Step 4: Simplify right side
    573,366.65x = 249,448,631,041.33
  5. Step 5: Solve for x
    x = 249,448,631,041.33/573,366.65
  6. Step 6: Final answer
    x = 435,059.54

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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.