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Finding the Fourth Proportional to 453,862.07, 626,334.29 and 249,931.95

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Solution

The fourth proportional to 453,862.07, 626,334.29 and 249,931.95 is: 344,908.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,862.07 : 626,334.29 = 249,931.95 : x
  2. Step 2: Convert to fraction form
    453,862.07/626,334.29 = 249,931.95/x
  3. Step 3: Cross multiply
    453,862.07x = 626,334.29 × 249,931.95
  4. Step 4: Simplify right side
    453,862.07x = 156,540,949,201.91
  5. Step 5: Solve for x
    x = 156,540,949,201.91/453,862.07
  6. Step 6: Final answer
    x = 344,908.64

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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.