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Finding the Fourth Proportional to 605,312.10, 907,622.55 and 249,905.70

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Solution

The fourth proportional to 605,312.10, 907,622.55 and 249,905.70 is: 374,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,312.10 : 907,622.55 = 249,905.70 : x
  2. Step 2: Convert to fraction form
    605,312.10/907,622.55 = 249,905.70/x
  3. Step 3: Cross multiply
    605,312.10x = 907,622.55 × 249,905.70
  4. Step 4: Simplify right side
    605,312.10x = 226,820,048,693.54
  5. Step 5: Solve for x
    x = 226,820,048,693.54/605,312.10
  6. Step 6: Final answer
    x = 374,715.87

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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.