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Finding the Fourth Proportional to 573,569.41, 791,509.04 and 315,446.09

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Solution

The fourth proportional to 573,569.41, 791,509.04 and 315,446.09 is: 435,306.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,569.41 : 791,509.04 = 315,446.09 : x
  2. Step 2: Convert to fraction form
    573,569.41/791,509.04 = 315,446.09/x
  3. Step 3: Cross multiply
    573,569.41x = 791,509.04 × 315,446.09
  4. Step 4: Simplify right side
    573,569.41x = 249,678,431,867.65
  5. Step 5: Solve for x
    x = 249,678,431,867.65/573,569.41
  6. Step 6: Final answer
    x = 435,306.39

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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.