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Finding the Fourth Proportional to 662,762, 993,216.32 and 358,499.34

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Solution

The fourth proportional to 662,762, 993,216.32 and 358,499.34 is: 537,247.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,762 : 993,216.32 = 358,499.34 : x
  2. Step 2: Convert to fraction form
    662,762/993,216.32 = 358,499.34/x
  3. Step 3: Cross multiply
    662,762x = 993,216.32 × 358,499.34
  4. Step 4: Simplify right side
    662,762x = 356,067,395,197.23
  5. Step 5: Solve for x
    x = 356,067,395,197.23/662,762
  6. Step 6: Final answer
    x = 537,247.75

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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.