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Finding the Fourth Proportional to 464,381.37, 640,853.51 and 260,477.55

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Solution

The fourth proportional to 464,381.37, 640,853.51 and 260,477.55 is: 359,463.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,381.37 : 640,853.51 = 260,477.55 : x
  2. Step 2: Convert to fraction form
    464,381.37/640,853.51 = 260,477.55/x
  3. Step 3: Cross multiply
    464,381.37x = 640,853.51 × 260,477.55
  4. Step 4: Simplify right side
    464,381.37x = 166,927,950,891.31
  5. Step 5: Solve for x
    x = 166,927,950,891.31/464,381.37
  6. Step 6: Final answer
    x = 359,463.07

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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.