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Finding the Fourth Proportional to 453,764, 626,194.32 and 252,555.68

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Solution

The fourth proportional to 453,764, 626,194.32 and 252,555.68 is: 348,526.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,764 : 626,194.32 = 252,555.68 : x
  2. Step 2: Convert to fraction form
    453,764/626,194.32 = 252,555.68/x
  3. Step 3: Cross multiply
    453,764x = 626,194.32 × 252,555.68
  4. Step 4: Simplify right side
    453,764x = 158,148,932,299.74
  5. Step 5: Solve for x
    x = 158,148,932,299.74/453,764
  6. Step 6: Final answer
    x = 348,526.84

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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.