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Finding the Fourth Proportional to 934,064, 1,289,009.78 and 531,656

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Solution

The fourth proportional to 934,064, 1,289,009.78 and 531,656 is: 733,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,064 : 1,289,009.78 = 531,656 : x
  2. Step 2: Convert to fraction form
    934,064/1,289,009.78 = 531,656/x
  3. Step 3: Cross multiply
    934,064x = 1,289,009.78 × 531,656
  4. Step 4: Simplify right side
    934,064x = 685,309,783,595.68
  5. Step 5: Solve for x
    x = 685,309,783,595.68/934,064
  6. Step 6: Final answer
    x = 733,686.11

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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.