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Finding the Fourth Proportional to 464,034.92, 640,385.75 and 260,089.56

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Solution

The fourth proportional to 464,034.92, 640,385.75 and 260,089.56 is: 358,933.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,034.92 : 640,385.75 = 260,089.56 : x
  2. Step 2: Convert to fraction form
    464,034.92/640,385.75 = 260,089.56/x
  3. Step 3: Cross multiply
    464,034.92x = 640,385.75 × 260,089.56
  4. Step 4: Simplify right side
    464,034.92x = 166,557,646,647.32
  5. Step 5: Solve for x
    x = 166,557,646,647.32/464,034.92
  6. Step 6: Final answer
    x = 358,933.44

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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.