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Finding the Fourth Proportional to 622,820.70, 934,231.05 and 482,852.70

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Solution

The fourth proportional to 622,820.70, 934,231.05 and 482,852.70 is: 724,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,820.70 : 934,231.05 = 482,852.70 : x
  2. Step 2: Convert to fraction form
    622,820.70/934,231.05 = 482,852.70/x
  3. Step 3: Cross multiply
    622,820.70x = 934,231.05 × 482,852.70
  4. Step 4: Simplify right side
    622,820.70x = 451,095,984,916.34
  5. Step 5: Solve for x
    x = 451,095,984,916.34/622,820.70
  6. Step 6: Final answer
    x = 724,279.05

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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.