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Finding the Fourth Proportional to 464,507.76, 641,027.52 and 260,603.76

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Solution

The fourth proportional to 464,507.76, 641,027.52 and 260,603.76 is: 359,637.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,507.76 : 641,027.52 = 260,603.76 : x
  2. Step 2: Convert to fraction form
    464,507.76/641,027.52 = 260,603.76/x
  3. Step 3: Cross multiply
    464,507.76x = 641,027.52 × 260,603.76
  4. Step 4: Simplify right side
    464,507.76x = 167,054,181,975.48
  5. Step 5: Solve for x
    x = 167,054,181,975.48/464,507.76
  6. Step 6: Final answer
    x = 359,637.01

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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.