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Finding the Fourth Proportional to 417,556.48, 626,334.72 and 293,451.52

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Solution

The fourth proportional to 417,556.48, 626,334.72 and 293,451.52 is: 440,177.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,556.48 : 626,334.72 = 293,451.52 : x
  2. Step 2: Convert to fraction form
    417,556.48/626,334.72 = 293,451.52/x
  3. Step 3: Cross multiply
    417,556.48x = 626,334.72 × 293,451.52
  4. Step 4: Simplify right side
    417,556.48x = 183,798,875,612.77
  5. Step 5: Solve for x
    x = 183,798,875,612.77/417,556.48
  6. Step 6: Final answer
    x = 440,177.28

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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.