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Finding the Fourth Proportional to 346,953.89, 478,649.76 and 232,269.48

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Solution

The fourth proportional to 346,953.89, 478,649.76 and 232,269.48 is: 320,433.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,953.89 : 478,649.76 = 232,269.48 : x
  2. Step 2: Convert to fraction form
    346,953.89/478,649.76 = 232,269.48/x
  3. Step 3: Cross multiply
    346,953.89x = 478,649.76 × 232,269.48
  4. Step 4: Simplify right side
    346,953.89x = 111,175,729,986.31
  5. Step 5: Solve for x
    x = 111,175,729,986.31/346,953.89
  6. Step 6: Final answer
    x = 320,433.73

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1.5x scale

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.