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Finding the Fourth Proportional to 575,114.62, 793,647.54 and 313,472.20

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Solution

The fourth proportional to 575,114.62, 793,647.54 and 313,472.20 is: 432,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,114.62 : 793,647.54 = 313,472.20 : x
  2. Step 2: Convert to fraction form
    575,114.62/793,647.54 = 313,472.20/x
  3. Step 3: Cross multiply
    575,114.62x = 793,647.54 × 313,472.20
  4. Step 4: Simplify right side
    575,114.62x = 248,786,440,388.39
  5. Step 5: Solve for x
    x = 248,786,440,388.39/575,114.62
  6. Step 6: Final answer
    x = 432,585.84

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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.