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Finding the Fourth Proportional to 573,463.94, 791,400.44 and 315,360.50

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Solution

The fourth proportional to 573,463.94, 791,400.44 and 315,360.50 is: 435,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,463.94 : 791,400.44 = 315,360.50 : x
  2. Step 2: Convert to fraction form
    573,463.94/791,400.44 = 315,360.50/x
  3. Step 3: Cross multiply
    573,463.94x = 791,400.44 × 315,360.50
  4. Step 4: Simplify right side
    573,463.94x = 249,576,435,290.02
  5. Step 5: Solve for x
    x = 249,576,435,290.02/573,463.94
  6. Step 6: Final answer
    x = 435,208.60

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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.