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Finding the Fourth Proportional to 453,755.15, 626,172.26 and 249,798.26

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Solution

The fourth proportional to 453,755.15, 626,172.26 and 249,798.26 is: 344,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,755.15 : 626,172.26 = 249,798.26 : x
  2. Step 2: Convert to fraction form
    453,755.15/626,172.26 = 249,798.26/x
  3. Step 3: Cross multiply
    453,755.15x = 626,172.26 × 249,798.26
  4. Step 4: Simplify right side
    453,755.15x = 156,416,741,324.71
  5. Step 5: Solve for x
    x = 156,416,741,324.71/453,755.15
  6. Step 6: Final answer
    x = 344,716.18

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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.