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Finding the Fourth Proportional to 452,679.54, 624,463.52 and 307,492.80

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Solution

The fourth proportional to 452,679.54, 624,463.52 and 307,492.80 is: 424,180.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,679.54 : 624,463.52 = 307,492.80 : x
  2. Step 2: Convert to fraction form
    452,679.54/624,463.52 = 307,492.80/x
  3. Step 3: Cross multiply
    452,679.54x = 624,463.52 × 307,492.80
  4. Step 4: Simplify right side
    452,679.54x = 192,018,034,725.19
  5. Step 5: Solve for x
    x = 192,018,034,725.19/452,679.54
  6. Step 6: Final answer
    x = 424,180.94

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1.5x scale

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.