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Finding the Fourth Proportional to 452,013.57, 623,737.46 and 268,220.45

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Solution

The fourth proportional to 452,013.57, 623,737.46 and 268,220.45 is: 370,119.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,013.57 : 623,737.46 = 268,220.45 : x
  2. Step 2: Convert to fraction form
    452,013.57/623,737.46 = 268,220.45/x
  3. Step 3: Cross multiply
    452,013.57x = 623,737.46 × 268,220.45
  4. Step 4: Simplify right side
    452,013.57x = 167,299,144,432.95
  5. Step 5: Solve for x
    x = 167,299,144,432.95/452,013.57
  6. Step 6: Final answer
    x = 370,119.74

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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.