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Finding the Fourth Proportional to 453,843.52, 626,298.78 and 249,890.20

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Solution

The fourth proportional to 453,843.52, 626,298.78 and 249,890.20 is: 344,845.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,843.52 : 626,298.78 = 249,890.20 : x
  2. Step 2: Convert to fraction form
    453,843.52/626,298.78 = 249,890.20/x
  3. Step 3: Cross multiply
    453,843.52x = 626,298.78 × 249,890.20
  4. Step 4: Simplify right side
    453,843.52x = 156,505,927,393.96
  5. Step 5: Solve for x
    x = 156,505,927,393.96/453,843.52
  6. Step 6: Final answer
    x = 344,845.57

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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.