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Finding the Fourth Proportional to 575,119.62, 793,654.44 and 313,477.20

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Solution

The fourth proportional to 575,119.62, 793,654.44 and 313,477.20 is: 432,592.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,119.62 : 793,654.44 = 313,477.20 : x
  2. Step 2: Convert to fraction form
    575,119.62/793,654.44 = 313,477.20/x
  3. Step 3: Cross multiply
    575,119.62x = 793,654.44 × 313,477.20
  4. Step 4: Simplify right side
    575,119.62x = 248,792,571,618.77
  5. Step 5: Solve for x
    x = 248,792,571,618.77/575,119.62
  6. Step 6: Final answer
    x = 432,592.74

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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.