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Finding the Fourth Proportional to 453,702.70, 626,088.22 and 249,749.43

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Solution

The fourth proportional to 453,702.70, 626,088.22 and 249,749.43 is: 344,642.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,702.70 : 626,088.22 = 249,749.43 : x
  2. Step 2: Convert to fraction form
    453,702.70/626,088.22 = 249,749.43/x
  3. Step 3: Cross multiply
    453,702.70x = 626,088.22 × 249,749.43
  4. Step 4: Simplify right side
    453,702.70x = 156,365,173,102.51
  5. Step 5: Solve for x
    x = 156,365,173,102.51/453,702.70
  6. Step 6: Final answer
    x = 344,642.37

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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.