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Finding the Fourth Proportional to 573,435.59, 791,361.41 and 315,332.23

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Solution

The fourth proportional to 573,435.59, 791,361.41 and 315,332.23 is: 435,169.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,435.59 : 791,361.41 = 315,332.23 : x
  2. Step 2: Convert to fraction form
    573,435.59/791,361.41 = 315,332.23/x
  3. Step 3: Cross multiply
    573,435.59x = 791,361.41 × 315,332.23
  4. Step 4: Simplify right side
    573,435.59x = 249,541,758,151.24
  5. Step 5: Solve for x
    x = 249,541,758,151.24/573,435.59
  6. Step 6: Final answer
    x = 435,169.64

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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.