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Finding the Fourth Proportional to 575,389.92, 794,039.94 and 313,743.30

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Solution

The fourth proportional to 575,389.92, 794,039.94 and 313,743.30 is: 432,966.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,389.92 : 794,039.94 = 313,743.30 : x
  2. Step 2: Convert to fraction form
    575,389.92/794,039.94 = 313,743.30/x
  3. Step 3: Cross multiply
    575,389.92x = 794,039.94 × 313,743.30
  4. Step 4: Simplify right side
    575,389.92x = 249,124,711,107.40
  5. Step 5: Solve for x
    x = 249,124,711,107.40/575,389.92
  6. Step 6: Final answer
    x = 432,966.76

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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.