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Finding the Fourth Proportional to 507,532.62, 700,380.27 and 292,707.66

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Solution

The fourth proportional to 507,532.62, 700,380.27 and 292,707.66 is: 403,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,532.62 : 700,380.27 = 292,707.66 : x
  2. Step 2: Convert to fraction form
    507,532.62/700,380.27 = 292,707.66/x
  3. Step 3: Cross multiply
    507,532.62x = 700,380.27 × 292,707.66
  4. Step 4: Simplify right side
    507,532.62x = 205,006,669,941.87
  5. Step 5: Solve for x
    x = 205,006,669,941.87/507,532.62
  6. Step 6: Final answer
    x = 403,928.07

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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.