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Finding the Fourth Proportional to 605,312.60, 907,623.30 and 249,906.20

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Solution

The fourth proportional to 605,312.60, 907,623.30 and 249,906.20 is: 374,716.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,312.60 : 907,623.30 = 249,906.20 : x
  2. Step 2: Convert to fraction form
    605,312.60/907,623.30 = 249,906.20/x
  3. Step 3: Cross multiply
    605,312.60x = 907,623.30 × 249,906.20
  4. Step 4: Simplify right side
    605,312.60x = 226,820,689,934.46
  5. Step 5: Solve for x
    x = 226,820,689,934.46/605,312.60
  6. Step 6: Final answer
    x = 374,716.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.