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Finding the Fourth Proportional to 571,595.40, 788,802.77 and 313,474.16

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Solution

The fourth proportional to 571,595.40, 788,802.77 and 313,474.16 is: 432,594.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,595.40 : 788,802.77 = 313,474.16 : x
  2. Step 2: Convert to fraction form
    571,595.40/788,802.77 = 313,474.16/x
  3. Step 3: Cross multiply
    571,595.40x = 788,802.77 × 313,474.16
  4. Step 4: Simplify right side
    571,595.40x = 247,269,288,487.12
  5. Step 5: Solve for x
    x = 247,269,288,487.12/571,595.40
  6. Step 6: Final answer
    x = 432,594.96

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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.