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Finding the Fourth Proportional to 452,681.54, 624,466.28 and 307,494.80

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Solution

The fourth proportional to 452,681.54, 624,466.28 and 307,494.80 is: 424,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,681.54 : 624,466.28 = 307,494.80 : x
  2. Step 2: Convert to fraction form
    452,681.54/624,466.28 = 307,494.80/x
  3. Step 3: Cross multiply
    452,681.54x = 624,466.28 × 307,494.80
  4. Step 4: Simplify right side
    452,681.54x = 192,020,132,337.87
  5. Step 5: Solve for x
    x = 192,020,132,337.87/452,681.54
  6. Step 6: Final answer
    x = 424,183.70

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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.