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Finding the Fourth Proportional to 453,867.53, 626,312.40 and 249,879.71

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Solution

The fourth proportional to 453,867.53, 626,312.40 and 249,879.71 is: 344,820.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,867.53 : 626,312.40 = 249,879.71 : x
  2. Step 2: Convert to fraction form
    453,867.53/626,312.40 = 249,879.71/x
  3. Step 3: Cross multiply
    453,867.53x = 626,312.40 × 249,879.71
  4. Step 4: Simplify right side
    453,867.53x = 156,502,761,510.14
  5. Step 5: Solve for x
    x = 156,502,761,510.14/453,867.53
  6. Step 6: Final answer
    x = 344,820.36

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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.