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Finding the Fourth Proportional to 460,521.70, 635,476.53 and 256,551.82

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Solution

The fourth proportional to 460,521.70, 635,476.53 and 256,551.82 is: 354,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,521.70 : 635,476.53 = 256,551.82 : x
  2. Step 2: Convert to fraction form
    460,521.70/635,476.53 = 256,551.82/x
  3. Step 3: Cross multiply
    460,521.70x = 635,476.53 × 256,551.82
  4. Step 4: Simplify right side
    460,521.70x = 163,032,660,338.79
  5. Step 5: Solve for x
    x = 163,032,660,338.79/460,521.70
  6. Step 6: Final answer
    x = 354,017.33

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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.