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Finding the Fourth Proportional to 453,856.06, 626,316.18 and 249,902.80

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Solution

The fourth proportional to 453,856.06, 626,316.18 and 249,902.80 is: 344,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,856.06 : 626,316.18 = 249,902.80 : x
  2. Step 2: Convert to fraction form
    453,856.06/626,316.18 = 249,902.80/x
  3. Step 3: Cross multiply
    453,856.06x = 626,316.18 × 249,902.80
  4. Step 4: Simplify right side
    453,856.06x = 156,518,167,067.30
  5. Step 5: Solve for x
    x = 156,518,167,067.30/453,856.06
  6. Step 6: Final answer
    x = 344,863.01

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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.