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Finding the Fourth Proportional to 472,810.27, 709,346.63 and 262,595.83

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Solution

The fourth proportional to 472,810.27, 709,346.63 and 262,595.83 is: 393,966.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,810.27 : 709,346.63 = 262,595.83 : x
  2. Step 2: Convert to fraction form
    472,810.27/709,346.63 = 262,595.83/x
  3. Step 3: Cross multiply
    472,810.27x = 709,346.63 × 262,595.83
  4. Step 4: Simplify right side
    472,810.27x = 186,271,467,062.55
  5. Step 5: Solve for x
    x = 186,271,467,062.55/472,810.27
  6. Step 6: Final answer
    x = 393,966.63

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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.