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Finding the Fourth Proportional to 626,060.88, 863,677.08 and 371,319.12

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Solution

The fourth proportional to 626,060.88, 863,677.08 and 371,319.12 is: 512,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,060.88 : 863,677.08 = 371,319.12 : x
  2. Step 2: Convert to fraction form
    626,060.88/863,677.08 = 371,319.12/x
  3. Step 3: Cross multiply
    626,060.88x = 863,677.08 × 371,319.12
  4. Step 4: Simplify right side
    626,060.88x = 320,699,813,309.77
  5. Step 5: Solve for x
    x = 320,699,813,309.77/626,060.88
  6. Step 6: Final answer
    x = 512,250.20

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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.