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Finding the Fourth Proportional to 492,088.70, 737,738.85 and 452,722.70

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Solution

The fourth proportional to 492,088.70, 737,738.85 and 452,722.70 is: 678,721.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,088.70 : 737,738.85 = 452,722.70 : x
  2. Step 2: Convert to fraction form
    492,088.70/737,738.85 = 452,722.70/x
  3. Step 3: Cross multiply
    492,088.70x = 737,738.85 × 452,722.70
  4. Step 4: Simplify right side
    492,088.70x = 333,991,124,066.90
  5. Step 5: Solve for x
    x = 333,991,124,066.90/492,088.70
  6. Step 6: Final answer
    x = 678,721.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.