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Finding the Fourth Proportional to 453,866.76, 626,322.42 and 249,918.12

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Solution

The fourth proportional to 453,866.76, 626,322.42 and 249,918.12 is: 344,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,866.76 : 626,322.42 = 249,918.12 : x
  2. Step 2: Convert to fraction form
    453,866.76/626,322.42 = 249,918.12/x
  3. Step 3: Cross multiply
    453,866.76x = 626,322.42 × 249,918.12
  4. Step 4: Simplify right side
    453,866.76x = 156,529,321,720.25
  5. Step 5: Solve for x
    x = 156,529,321,720.25/453,866.76
  6. Step 6: Final answer
    x = 344,879.46

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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.