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Finding the Fourth Proportional to 453,751.68, 626,348.16 and 340,900.32

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Solution

The fourth proportional to 453,751.68, 626,348.16 and 340,900.32 is: 470,570.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,751.68 : 626,348.16 = 340,900.32 : x
  2. Step 2: Convert to fraction form
    453,751.68/626,348.16 = 340,900.32/x
  3. Step 3: Cross multiply
    453,751.68x = 626,348.16 × 340,900.32
  4. Step 4: Simplify right side
    453,751.68x = 213,522,288,175.41
  5. Step 5: Solve for x
    x = 213,522,288,175.41/453,751.68
  6. Step 6: Final answer
    x = 470,570.79

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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.