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Finding the Fourth Proportional to 453,651.85, 626,034.59 and 249,698.41

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Solution

The fourth proportional to 453,651.85, 626,034.59 and 249,698.41 is: 344,581.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,651.85 : 626,034.59 = 249,698.41 : x
  2. Step 2: Convert to fraction form
    453,651.85/626,034.59 = 249,698.41/x
  3. Step 3: Cross multiply
    453,651.85x = 626,034.59 × 249,698.41
  4. Step 4: Simplify right side
    453,651.85x = 156,319,840,479.51
  5. Step 5: Solve for x
    x = 156,319,840,479.51/453,651.85
  6. Step 6: Final answer
    x = 344,581.07

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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.