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Finding the Fourth Proportional to 453,819.83, 626,266.20 and 249,866.59

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Solution

The fourth proportional to 453,819.83, 626,266.20 and 249,866.59 is: 344,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,819.83 : 626,266.20 = 249,866.59 : x
  2. Step 2: Convert to fraction form
    453,819.83/626,266.20 = 249,866.59/x
  3. Step 3: Cross multiply
    453,819.83x = 626,266.20 × 249,866.59
  4. Step 4: Simplify right side
    453,819.83x = 156,482,998,260.59
  5. Step 5: Solve for x
    x = 156,482,998,260.59/453,819.83
  6. Step 6: Final answer
    x = 344,813.05

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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.