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Finding the Fourth Proportional to 626,237.77, 864,200.37 and 339,755.76

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Solution

The fourth proportional to 626,237.77, 864,200.37 and 339,755.76 is: 468,858.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,237.77 : 864,200.37 = 339,755.76 : x
  2. Step 2: Convert to fraction form
    626,237.77/864,200.37 = 339,755.76/x
  3. Step 3: Cross multiply
    626,237.77x = 864,200.37 × 339,755.76
  4. Step 4: Simplify right side
    626,237.77x = 293,617,053,501.63
  5. Step 5: Solve for x
    x = 293,617,053,501.63/626,237.77
  6. Step 6: Final answer
    x = 468,858.74

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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.