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Finding the Fourth Proportional to 530,277.51, 795,417.90 and 130,918.32

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Solution

The fourth proportional to 530,277.51, 795,417.90 and 130,918.32 is: 196,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,277.51 : 795,417.90 = 130,918.32 : x
  2. Step 2: Convert to fraction form
    530,277.51/795,417.90 = 130,918.32/x
  3. Step 3: Cross multiply
    530,277.51x = 795,417.90 × 130,918.32
  4. Step 4: Simplify right side
    530,277.51x = 104,134,775,165.93
  5. Step 5: Solve for x
    x = 104,134,775,165.93/530,277.51
  6. Step 6: Final answer
    x = 196,377.88

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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.