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Finding the Fourth Proportional to 507,365.88, 700,126.38 and 281,006.52

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Solution

The fourth proportional to 507,365.88, 700,126.38 and 281,006.52 is: 387,767.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,365.88 : 700,126.38 = 281,006.52 : x
  2. Step 2: Convert to fraction form
    507,365.88/700,126.38 = 281,006.52/x
  3. Step 3: Cross multiply
    507,365.88x = 700,126.38 × 281,006.52
  4. Step 4: Simplify right side
    507,365.88x = 196,740,077,604.00
  5. Step 5: Solve for x
    x = 196,740,077,604.00/507,365.88
  6. Step 6: Final answer
    x = 387,767.66

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1.5x scale

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.