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Finding the Fourth Proportional to 507,011.70, 760,515.48 and 127,933.32

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Solution

The fourth proportional to 507,011.70, 760,515.48 and 127,933.32 is: 191,899.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,011.70 : 760,515.48 = 127,933.32 : x
  2. Step 2: Convert to fraction form
    507,011.70/760,515.48 = 127,933.32/x
  3. Step 3: Cross multiply
    507,011.70x = 760,515.48 × 127,933.32
  4. Step 4: Simplify right side
    507,011.70x = 97,295,270,267.79
  5. Step 5: Solve for x
    x = 97,295,270,267.79/507,011.70
  6. Step 6: Final answer
    x = 191,899.46

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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.