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Finding the Fourth Proportional to 452,860.47, 624,288.80 and 316,470.95

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Solution

The fourth proportional to 452,860.47, 624,288.80 and 316,470.95 is: 436,269.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,860.47 : 624,288.80 = 316,470.95 : x
  2. Step 2: Convert to fraction form
    452,860.47/624,288.80 = 316,470.95/x
  3. Step 3: Cross multiply
    452,860.47x = 624,288.80 × 316,470.95
  4. Step 4: Simplify right side
    452,860.47x = 197,569,269,621.18
  5. Step 5: Solve for x
    x = 197,569,269,621.18/452,860.47
  6. Step 6: Final answer
    x = 436,269.63

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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.